Document:

Exhibit 10.2

NEITHER THIS SECURITY NOR THE SECURITIES INTO WHICH THIS SECURITY IS EXERCISABLE
HAVE BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE COMMISSION OR THE
SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN EXEMPTION FROM
REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "SECURITIES
ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT TO AN
EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO AN
AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH APPLICABLE STATE
SECURITIES LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO THE TRANSFEROR TO
SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY ACCEPTABLE TO THE
COMPANY. THIS SECURITY AND THE SECURITIES ISSUABLE UPON EXERCISE OF THIS
SECURITY MAY BE PLEDGED IN CONNECTION WITH A BONA FIDE MARGIN ACCOUNT OR OTHER
LOAN SECURED BY SUCH SECURITIES.

                          COMMON STOCK PURCHASE WARRANT

                To Purchase __________ Shares of Common Stock of

                         World Waste Technologies, Inc.

            THIS COMMON STOCK PURCHASE WARRANT (the "Warrant") certifies that,
for value received, _____________ (the "Holder"), is entitled, upon the terms
and subject to the limitations on exercise and the conditions hereinafter set
forth, at any time on or after the date hereof (the "Initial Exercise Date") and
on or prior to the close of business on the four year anniversary of the Initial
Exercise Date (the "Termination Date") but not thereafter, to subscribe for and
purchase from World Waste Technologies, Inc., a California corporation (the
"Company"), up to ______ shares (the "Warrant Shares") of Common Stock, par
value $0.001 per share, of the Company (the "Common Stock"). The purchase price
of one share of Common Stock under this Warrant shall be equal to the Exercise
Price, as defined in Section 2(b).

      Section 1. Definitions. Capitalized terms used and not otherwise defined
herein shall have the meanings set forth in that certain Securities Purchase
Agreement (the "Purchase Agreement"), dated December 27, 2005, among the Company
and the purchasers signatory thereto.

      Section 2. Exercise.

            a) Exercise of Warrant. Exercise of the purchase rights represented
      by this Warrant may be made, in whole or in part, at any time or times on
      or after the Initial Exercise Date and on or before the Termination Date
      by delivery to the Company of a duly executed facsimile copy of the Notice
      of Exercise Form annexed hereto (or such other office or agency of the
      Company as it may designate by notice in writing to the registered Holder
      at the address of the Holder appearing on the books of the Company);
      provided, however, within 5 Trading Days of the date said Notice of
      Exercise is delivered to the Company, the Holder shall have surrendered
      this Warrant to the Company and the Company shall have received payment of
      the aggregate Exercise Price of the shares thereby purchased by wire
      transfer or cashier's check drawn on a United States bank.

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            b) Exercise Price. The exercise price of the Common Stock under this
      Warrant shall be $0.01, subject to adjustment hereunder (the "Exercise
      Price").

            c) Cashless Exercise. If at any time after one year from the date of
      issuance of this Warrant there is no effective Registration Statement
      registering, or no current prospectus available for, the resale of the
      Warrant Shares by the Holder, then this Warrant may also be exercised at
      such time by means of a "cashless exercise" in which the Holder shall be
      entitled to receive a certificate for the number of Warrant Shares equal
      to the quotient obtained by dividing [(A-B) (X)] by (A), where:

            (A) = the VWAP on the Trading Day immediately preceding the date
                  of such election;

            (B) = the Exercise Price of this Warrant, as adjusted; and

            (X) = the number of Warrant Shares issuable upon exercise of this
                  Warrant in accordance with the terms of this Warrant by means
                  of a cash exercise rather than a cashless exercise.

            Notwithstanding anything herein to the contrary, on the Termination
      Date, this Warrant shall be automatically exercised via cashless exercise
      pursuant to this Section 2(c).

            d) Holder's Restrictions. The Holder shall not have the right to
      exercise any portion of this Warrant, pursuant to Section 2(c) or
      otherwise, to the extent that after giving effect to such issuance after
      exercise, the Holder (together with the Holder's affiliates), as set forth
      on the applicable Notice of Exercise, would beneficially own in excess of
      4.99% of the number of shares of the Common Stock outstanding immediately
      after giving effect to such issuance. For purposes of the foregoing
      sentence, the number of shares of Common Stock beneficially owned by the
      Holder and its affiliates shall include the number of shares of Common
      Stock issuable upon exercise of this Warrant with respect to which the
      determination of such sentence is being made, but shall exclude the number
      of shares of Common Stock which would be issuable upon (A) exercise of the
      remaining, nonexercised portion of this Warrant beneficially owned by the
      Holder or any of its affiliates and (B) exercise or conversion of the
      unexercised or nonconverted portion of any other securities of the Company
      (including, without limitation, any other Warrants) subject to a
      limitation on conversion or exercise analogous to the limitation contained
      herein beneficially owned by the Holder or any of its affiliates. Except
      as set forth in the preceding sentence, for purposes of this Section
      2(d)(i), beneficial ownership shall be calculated in accordance with
      Section 13(d) of the Exchange Act, it being acknowledged by the Holder
      that the Company is not representing to the Holder that such calculation
      is in compliance with Section 13(d) of the Exchange Act and the Holder is
      solely responsible for any schedules required to be filed in accordance
      therewith. To the extent that the limitation contained in this Section
      2(d) applies, the determination of whether this Warrant is exercisable (in
      relation to other securities owned by the Holder) and of which a portion
      of this Warrant is exercisable shall be in the sole discretion of the
      Holder, and the submission of a Notice of Exercise shall be deemed to be
      each Holder's determination of whether this Warrant is exercisable (in
      relation to other securities owned by the Holder) and of which portion of
      this Warrant is exercisable, in each case subject to such aggregate
      percentage limitation, and the Company shall have no obligation to verify
      or confirm the accuracy of such determination. For purposes of this
      Section 2(d), in determining the number of outstanding shares of Common
      Stock, the Holder may rely on the number of outstanding shares of Common
      Stock as reflected in (x) the Company's most recent Form 10-QSB or Form
      10-KSB, as the case may be, (y) a more recent public announcement by the
      Company or (z) any other notice by the Company or the Company's Transfer
      Agent setting forth the number of shares of Common Stock outstanding. Upon
      the written or oral request of the Holder, the Company shall within two
      Trading Days confirm orally and in writing to the Holder the number of
      shares of Common Stock then outstanding. In any case, the number of
      outstanding shares of Common Stock shall be determined after giving effect
      to the conversion or exercise of securities of the Company, including this
      Warrant, by the Holder or its affiliates since the date as of which such
      number of outstanding shares of Common Stock was reported. The provisions
      of this Section 2(d) may be waived by the Holder, at the election of the
      Holder, upon not less than 61 days' prior notice to the Company, and the
      provisions of this Section 2(d) shall continue to apply until such 61st
      day (or such later date, as determined by the Holder, as may be specified
      in such notice of waiver).

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            e) Mechanics of Exercise.

                        i. Authorization of Warrant Shares. The Company
                  covenants that all Warrant Shares which may be issued upon the
                  exercise of the purchase rights represented by this Warrant
                  will, upon exercise of the purchase rights represented by this
                  Warrant, be duly authorized, validly issued, fully paid and
                  nonassessable and free from all taxes, liens and charges in
                  respect of the issue thereof (other than taxes in respect of
                  any transfer occurring contemporaneously with such issue).

                        ii. Delivery of Certificates Upon Exercise. Certificates
                  for shares purchased hereunder shall be transmitted by the
                  transfer agent of the Company to the Holder by crediting the
                  account of the Holder's prime broker with the Depository Trust
                  Company through its Deposit Withdrawal Agent Commission
                  ("DWAC") system if the Company is a participant in such
                  system, and otherwise by physical delivery to the address
                  specified by the Holder in the Notice of Exercise within 3
                  Trading Days from the delivery to the Company of the Notice of
                  Exercise Form, surrender of this Warrant and payment of the
                  aggregate Exercise Price as set forth above ("Warrant Share
                  Delivery Date"). This Warrant shall be deemed to have been
                  exercised on the date the Exercise Price is received by the
                  Company. The Warrant Shares shall be deemed to have been
                  issued, and Holder or any other person so designated to be
                  named therein shall be deemed to have become a holder of
                  record of such shares for all purposes, as of the date the
                  Warrant has been exercised by payment to the Company of the
                  Exercise Price and all taxes required to be paid by the
                  Holder, if any, pursuant to Section 2(e)(vii) prior to the
                  issuance of such shares, have been paid.

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                        iii. Delivery of New Warrants Upon Exercise. If this
                  Warrant shall have been exercised in part, the Company shall,
                  at the time of delivery of the certificate or certificates
                  representing Warrant Shares, deliver to the Holder a new
                  Warrant evidencing the rights of the Holder to purchase the
                  unpurchased Warrant Shares called for by this Warrant, which
                  new Warrant shall in all other respects be identical with this
                  Warrant.

                        iv. Rescission Rights. If the Company fails to cause its
                  transfer agent to transmit to the Holder a certificate or
                  certificates representing the Warrant Shares pursuant to this
                  Section 2(e)(iv) by the Warrant Share Delivery Date, then the
                  Holder will have the right to rescind such exercise.

                        v. Compensation for Buy-In on Failure to Timely Deliver
                  Certificates Upon Exercise. In addition to any other rights
                  available to the Holder, if the Company fails to cause its
                  transfer agent to transmit to the Holder a certificate or
                  certificates representing the Warrant Shares pursuant to an
                  exercise on or before the Warrant Share Delivery Date, and if
                  after such date the Holder is required by its broker to
                  purchase (in an open market transaction or otherwise) shares
                  of Common Stock to deliver in satisfaction of a sale by the
                  Holder of the Warrant Shares which the Holder anticipated
                  receiving upon such exercise (a "Buy-In"), then the Company
                  shall (1) pay in cash to the Holder the amount by which (x)
                  the Holder's total purchase price (including brokerage
                  commissions, if any) for the shares of Common Stock so
                  purchased exceeds (y) the amount obtained by multiplying (A)
                  the number of Warrant Shares that the Company was required to
                  deliver to the Holder in connection with the exercise at issue
                  times (B) the price at which the sell order giving rise to
                  such purchase obligation was executed, and (2) at the option
                  of the Holder, either reinstate the portion of the Warrant and
                  equivalent number of Warrant Shares for which such exercise
                  was not honored or deliver to the Holder the number of shares
                  of Common Stock that would have been issued had the Company
                  timely complied with its exercise and delivery obligations
                  hereunder. For example, if the Holder purchases Common Stock
                  having a total purchase price of $11,000 to cover a Buy-In
                  with respect to an attempted exercise of shares of Common
                  Stock with an aggregate sale price giving rise to such
                  purchase obligation of $10,000, under clause (1) of the
                  immediately preceding sentence the Company shall be required
                  to pay the Holder $1,000. The Holder shall provide the Company
                  written notice indicating the amounts payable to the Holder in
                  respect of the Buy-In, together with applicable confirmations
                  and other evidence reasonably requested by the Company.
                  Nothing herein shall limit the Holder's right to pursue any
                  other remedies available to it hereunder, at law or in equity
                  including, without limitation, a decree of specific
                  performance and/or injunctive relief with respect to the
                  Company's failure to timely deliver certificates representing
                  shares of Common Stock upon exercise of the Warrant as
                  required pursuant to the terms hereof.

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                        vi. No Fractional Shares or Scrip. No fractional shares
                  or scrip representing fractional shares shall be issued upon
                  the exercise of this Warrant. As to any fraction of a share
                  which Holder would otherwise be entitled to purchase upon such
                  exercise, the Company shall pay a cash adjustment in respect
                  of such final fraction in an amount equal to such fraction
                  multiplied by the Exercise Price.

                        vii. Charges, Taxes and Expenses. Issuance of
                  certificates for Warrant Shares shall be made without charge
                  to the Holder for any issue or transfer tax or other
                  incidental expense in respect of the issuance of such
                  certificate, all of which taxes and expenses shall be paid by
                  the Company, and such certificates shall be issued in the name
                  of the Holder or in such name or names as may be directed by
                  the Holder; provided, however, that in the event certificates
                  for Warrant Shares are to be issued in a name other than the
                  name of the Holder, this Warrant when surrendered for exercise
                  shall be accompanied by the Assignment Form attached hereto
                  duly executed by the Holder; and the Company may require, as a
                  condition thereto, the payment of a sum sufficient to
                  reimburse it for any transfer tax incidental thereto.

                        viii. Closing of Books. The Company will not close its
                  stockholder books or records in any manner which prevents the
                  timely exercise of this Warrant, pursuant to the terms hereof.

      Section 3. Certain Adjustments.

            a) Stock Dividends and Splits. If the Company, at any time while
      this Warrant is outstanding: (A) pays a stock dividend or otherwise make a
      distribution or distributions on shares of its Common Stock or any other
      equity or equity equivalent securities payable in shares of Common Stock
      (which, for avoidance of doubt, shall not include any shares of Common
      Stock issued by the Company pursuant to this Warrant and shall not include
      any shares of Series A Preferred issued by the company as a dividend on
      its shares of Series A Preferred), (B) subdivides outstanding shares of
      Common Stock into a larger number of shares, (C) combines (including by
      way of reverse stock split) outstanding shares of Common Stock into a
      smaller number of shares, or (D) issues by reclassification of shares of
      the Common Stock any shares of capital stock of the Company, then in each
      case the Exercise Price shall be multiplied by a fraction of which the
      numerator shall be the number of shares of Common Stock (excluding
      treasury shares, if any) outstanding immediately before such event and of
      which the denominator shall be the number of shares of Common Stock
      outstanding immediately after such event and the number of shares issuable
      upon exercise of this Warrant shall be proportionately adjusted. Any
      adjustment made pursuant to this Section 3(a) shall become effective
      immediately after the record date for the determination of stockholders
      entitled to receive such dividend or distribution and shall become
      effective immediately after the effective date in the case of a
      subdivision, combination or re-classification.

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            b) [INTENTIONALLY DELETED]

            c) Pro Rata Distributions. If the Company, at any time prior to the
      Termination Date, shall distribute to all holders of Common Stock (and not
      to Holders of the Warrants) evidences of its indebtedness or assets
      (including cash and cash dividends) or rights or warrants to subscribe for
      or purchase any security other than the Common Stock (which shall be
      subject to Section 3(b)), then in each such case the Exercise Price shall
      be adjusted by multiplying the Exercise Price in effect immediately prior
      to the record date fixed for determination of stockholders entitled to
      receive such distribution by a fraction of which the denominator shall be
      the VWAP determined as of the record date mentioned above, and of which
      the numerator shall be such VWAP on such record date less the then per
      share fair market value at such record date of the portion of such assets
      or evidence of indebtedness so distributed applicable to one outstanding
      share of the Common Stock as determined by the Board of Directors in good
      faith. In either case the adjustments shall be described in a statement
      provided to the Holder of the portion of assets or evidences of
      indebtedness so distributed or such subscription rights applicable to one
      share of Common Stock. Such adjustment shall be made whenever any such
      distribution is made and shall become effective immediately after the
      record date mentioned above.

            d) Fundamental Transaction. If, at any time while this Warrant is
      outstanding, (A) the Company effects any merger or consolidation of the
      Company with or into another Person, (B) the Company effects any sale of
      all or substantially all of its assets in one or a series of related
      transactions, (C) any tender offer or exchange offer (whether by the
      Company or another Person) is completed pursuant to which holders of
      Common Stock are permitted to tender or exchange their shares for other
      securities, cash or property, or (D) the Company effects any
      reclassification of the Common Stock or any compulsory share exchange
      pursuant to which the Common Stock is effectively converted into or
      exchanged for other securities, cash or property (in any such case, a
      "Fundamental Transaction"), then, upon any subsequent exercise of this
      Warrant, the Holder shall have the right to receive, for each Warrant
      Share that would have been issuable upon such exercise immediately prior
      to the occurrence of such Fundamental Transaction, at the option of the
      Holder, (a) upon exercise of this Warrant, the number of shares of Common
      Stock of the successor or acquiring corporation or of the Company, if it
      is the surviving corporation, and any additional consideration (the
      "Alternate Consideration") receivable upon or as a result of such
      reorganization, reclassification, merger, consolidation or disposition of
      assets by the Holder of the number of shares of Common Stock for which
      this Warrant is exercisable immediately prior to such event or (b) if the
      Company is acquired in an all cash transaction, cash equal to the value of
      this Warrant as determined in accordance with the Black-Scholes option
      pricing formula. For purposes of any such exercise, the determination of
      the Exercise Price shall be appropriately adjusted to apply to such
      Alternate Consideration based on the amount of Alternate Consideration
      issuable in respect of one share of Common Stock in such Fundamental
      Transaction, and the Company shall apportion the Exercise Price among the
      Alternate Consideration in a reasonable manner reflecting the relative
      value of any different components of the Alternate Consideration. If
      holders of Common Stock are given any choice as to the securities, cash or
      property to be received in a Fundamental Transaction, then the Holder
      shall be given the same choice as to the Alternate Consideration it
      receives upon any exercise of this Warrant following such Fundamental
      Transaction. To the extent necessary to effectuate the foregoing
      provisions, any successor to the Company or surviving entity in such
      Fundamental Transaction shall issue to the Holder a new warrant consistent
      with the foregoing provisions and evidencing the Holder's right to
      exercise such warrant into Alternate Consideration. The terms of any
      agreement pursuant to which a Fundamental Transaction is effected shall
      include terms requiring any such successor or surviving entity to comply
      with the provisions of this Section 3(d) and insuring that this Warrant
      (or any such replacement security) will be similarly adjusted upon any
      subsequent transaction analogous to a Fundamental Transaction.

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            e) Calculations. All calculations under this Section 3 shall be made
      to the nearest cent or the nearest 1/100th of a share, as the case may be.
      For purposes of this Section 3, the number of shares of Common Stock
      deemed to be issued and outstanding as of a given date shall be the sum of
      the number of shares of Common Stock (excluding treasury shares, if any)
      issued and outstanding.

            f) Voluntary Adjustment By Company. The Company may at any time
      during the term of this Warrant reduce the then current Exercise Price to
      any amount and for any period of time deemed appropriate by the Board of
      Directors of the Company.

            g) Notice to Holders.

                        i. Adjustment to Exercise Price. Whenever the Exercise
                  Price is adjusted pursuant to this Section 3, the Company
                  shall promptly mail to each Holder a notice setting forth the
                  Exercise Price after such adjustment and setting forth a brief
                  statement of the facts requiring such adjustment. If the
                  Company issues a variable rate security, despite the
                  prohibition thereon in the Purchase Agreement, the Company
                  shall be deemed to have issued Common Stock or Common Stock
                  Equivalents at the lowest possible conversion or exercise
                  price at which such securities may be converted or exercised
                  in the case of a Variable Rate Transaction (as defined in the
                  Purchase Agreement).

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                        ii. Notice to Allow Exercise by Holder. If (A) the
                  Company shall declare a dividend (or any other distribution)
                  on the Common Stock; (B) the Company shall declare a special
                  nonrecurring cash dividend on or a redemption of the Common
                  Stock; (C) the Company shall authorize the granting to all
                  holders of the Common Stock rights or warrants to subscribe
                  for or purchase any shares of capital stock of any class or of
                  any rights; (D) the approval of any stockholders of the
                  Company shall be required in connection with any
                  reclassification of the Common Stock, any consolidation or
                  merger to which the Company is a party, any sale or transfer
                  of all or substantially all of the assets of the Company, of
                  any compulsory share exchange whereby the Common Stock is
                  converted into other securities, cash or property; (E) the
                  Company shall authorize the voluntary or involuntary
                  dissolution, liquidation or winding up of the affairs of the
                  Company; then, in each case, the Company shall cause to be
                  mailed to the Holder at its last address as it shall appear
                  upon the Warrant Register of the Company, at least 20 calendar
                  days prior to the applicable record or effective date
                  hereinafter specified, a notice stating (x) the date on which
                  a record is to be taken for the purpose of such dividend,
                  distribution, redemption, rights or warrants, or if a record
                  is not to be taken, the date as of which the holders of the
                  Common Stock of record to be entitled to such dividend,
                  distributions, redemption, rights or warrants are to be
                  determined or (y) the date on which such reclassification,
                  consolidation, merger, sale, transfer or share exchange is
                  expected to become effective or close, and the date as of
                  which it is expected that holders of the Common Stock of
                  record shall be entitled to exchange their shares of the
                  Common Stock for securities, cash or other property
                  deliverable upon such reclassification, consolidation, merger,
                  sale, transfer or share exchange; provided, that the failure
                  to mail such notice or any defect therein or in the mailing
                  thereof shall not affect the validity of the corporate action
                  required to be specified in such notice. The Holder is
                  entitled to exercise this Warrant during the 20-day period
                  commencing on the date of such notice to the effective date of
                  the event triggering such notice.

      Section 4. Transfer of Warrant.

            a) Transferability. Subject to compliance with any applicable
      securities laws and the conditions set forth in Sections 5(a) and 4(d)
      hereof and to the provisions of Section 4.1 of the Purchase Agreement,
      this Warrant and all rights hereunder are transferable, in whole or in
      part, upon surrender of this Warrant at the principal office of the
      Company, together with a written assignment of this Warrant substantially
      in the form attached hereto duly executed by the Holder or its agent or
      attorney and funds sufficient to pay any transfer taxes payable upon the
      making of such transfer. Upon such surrender and, if required, such
      payment, the Company shall execute and deliver a new Warrant or Warrants
      in the name of the assignee or assignees and in the denomination or
      denominations specified in such instrument of assignment, and shall issue
      to the assignor a new Warrant evidencing the portion of this Warrant not
      so assigned, and this Warrant shall promptly be cancelled. A Warrant, if
      properly assigned, may be exercised by a new holder for the purchase of
      Warrant Shares without having a new Warrant issued.

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            b) New Warrants. This Warrant may be divided or combined with other
      Warrants upon presentation hereof at the aforesaid office of the Company,
      together with a written notice specifying the names and denominations in
      which new Warrants are to be issued, signed by the Holder or its agent or
      attorney. Subject to compliance with Section 4(a), as to any transfer
      which may be involved in such division or combination, the Company shall
      execute and deliver a new Warrant or Warrants in exchange for the Warrant
      or Warrants to be divided or combined in accordance with such notice.

            c) Warrant Register. The Company shall register this Warrant, upon
      records to be maintained by the Company for that purpose (the "Warrant
      Register"), in the name of the record Holder hereof from time to time. The
      Company may deem and treat the registered Holder of this Warrant as the
      absolute owner hereof for the purpose of any exercise hereof or any
      distribution to the Holder, and for all other purposes, absent actual
      notice to the contrary.

            d) Transfer Restrictions. If, at the time of the surrender of this
      Warrant in connection with any transfer of this Warrant, the transfer of
      this Warrant shall not be registered pursuant to an effective registration
      statement under the Securities Act and under applicable state securities
      or blue sky laws, the Company may require, as a condition of allowing such
      transfer (i) that the Holder or transferee of this Warrant, as the case
      may be, furnish to the Company a written opinion of counsel (which opinion
      shall be in form, substance and scope customary for opinions of counsel in
      comparable transactions) to the effect that such transfer may be made
      without registration under the Securities Act and under applicable state
      securities or blue sky laws, (ii) that the holder or transferee execute
      and deliver to the Company an investment letter in form and substance
      acceptable to the Company and (iii) that the transferee be an "accredited
      investor" as defined in Rule 501(a)(1), (a)(2), (a)(3), (a)(7), or (a)(8)
      promulgated under the Securities Act or a qualified institutional buyer as
      defined in Rule 144A(a) under the Securities Act.

      Section 5. Miscellaneous.

            a) Title to Warrant. Prior to the Termination Date and subject to
      compliance with applicable laws and Section 4 of this Warrant, this
      Warrant and all rights hereunder are transferable, in whole or in part, at
      the office or agency of the Company by the Holder in person or by duly
      authorized attorney, upon surrender of this Warrant together with the
      Assignment Form annexed hereto properly endorsed. The transferee shall
      sign an investment letter in form and substance reasonably satisfactory to
      the Company.

            b) No Rights as Shareholder Until Exercise. This Warrant does not
      entitle the Holder to any voting rights or other rights as a shareholder
      of the Company prior to the exercise hereof. Upon the surrender of this
      Warrant and the payment of the aggregate Exercise Price (or by means of a
      cashless exercise), the Warrant Shares so purchased shall be and be deemed
      to be issued to the Holder as the record owner of such shares as of the
      close of business on the later of the date of such surrender or payment.

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            c) Loss, Theft, Destruction or Mutilation of Warrant. The Company
      covenants that upon receipt by the Company of evidence reasonably
      satisfactory to it of the loss, theft, destruction or mutilation of this
      Warrant or any stock certificate relating to the Warrant Shares, and in
      case of loss, theft or destruction, of indemnity or security reasonably
      satisfactory to it (which, in the case of the Warrant, shall not include
      the posting of any bond), and upon surrender and cancellation of such
      Warrant or stock certificate, if mutilated, the Company will make and
      deliver a new Warrant or stock certificate of like tenor and dated as of
      such cancellation, in lieu of such Warrant or stock certificate.

            d) Saturdays, Sundays, Holidays, etc. If the last or appointed day
      for the taking of any action or the expiration of any right required or
      granted herein shall be a Saturday, Sunday or a legal holiday, then such
      action may be taken or such right may be exercised on the next succeeding
      day not a Saturday, Sunday or legal holiday.

            e) Authorized Shares.

                  The Company covenants that during the period the Warrant is
            outstanding, it will reserve from its authorized and unissued Common
            Stock a sufficient number of shares to provide for the issuance of
            the Warrant Shares upon the exercise of any purchase rights under
            this Warrant. The Company further covenants that its issuance of
            this Warrant shall constitute full authority to its officers who are
            charged with the duty of executing stock certificates to execute and
            issue the necessary certificates for the Warrant Shares upon the
            exercise of the purchase rights under this Warrant. The Company will
            take all such reasonable action as may be necessary to assure that
            such Warrant Shares may be issued as provided herein without
            violation of any applicable law or regulation, or of any
            requirements of the Trading Market upon which the Common Stock may
            be listed.

                  Except and to the extent as waived or consented to by the
            Holder, the Company shall not by any action, including, without
            limitation, amending its articles of incorporation or through any
            reorganization, transfer of assets, consolidation, merger,
            dissolution, issue or sale of securities or any other voluntary
            action, avoid or seek to avoid the observance or performance of any
            of the terms of this Warrant, but will at all times in good faith
            assist in the carrying out of all such terms and in the taking of
            all such actions as may be necessary or appropriate to protect the
            rights of the Holder as set forth in this Warrant against
            impairment. Without limiting the generality of the foregoing, the
            Company will (a) not increase the par value of any Warrant Shares
            above the amount payable therefor upon such exercise immediately
            prior to such increase in par value, (b) take all such action as may
            be necessary or appropriate in order that the Company may validly
            and legally issue fully paid and nonassessable Warrant Shares upon
            the exercise of this Warrant, and (c) use commercially reasonable
            efforts to obtain all such authorizations, exemptions or consents
            from any public regulatory body having jurisdiction thereof as may
            be necessary to enable the Company to perform its obligations under
            this Warrant.

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                  Before taking any action which would result in an adjustment
            in the number of Warrant Shares for which this Warrant is
            exercisable or in the Exercise Price, the Company shall obtain all
            such authorizations or exemptions thereof, or consents thereto, as
            may be necessary from any public regulatory body or bodies having
            jurisdiction thereof.

            f) Jurisdiction. All questions concerning the construction,
      validity, enforcement and interpretation of this Warrant shall be
      determined in accordance with the provisions of the Purchase Agreement.

            g) Restrictions. The Holder acknowledges that the Warrant Shares
      acquired upon the exercise of this Warrant, if not registered, will have
      restrictions upon resale imposed by state and federal securities laws.

            h) Nonwaiver and Expenses. No course of dealing or any delay or
      failure to exercise any right hereunder on the part of Holder shall
      operate as a waiver of such right or otherwise prejudice Holder's rights,
      powers or remedies, notwithstanding the fact that all rights hereunder
      terminate on the Termination Date. If the Company willfully and knowingly
      fails to comply with any provision of this Warrant, which results in any
      material damages to the Holder, the Company shall pay to Holder such
      amounts as shall be sufficient to cover any costs and expenses including,
      but not limited to, reasonable attorneys' fees, including those of
      appellate proceedings, incurred by Holder in collecting any amounts due
      pursuant hereto or in otherwise enforcing any of its rights, powers or
      remedies hereunder.

            i) Notices. Any notice, request or other document required or
      permitted to be given or delivered to the Holder by the Company shall be
      delivered in accordance with the notice provisions of the Purchase
      Agreement.

            j) Limitation of Liability. No provision hereof, in the absence of
      any affirmative action by the Holder to exercise this Warrant or purchase
      Warrant Shares, and no enumeration herein of the rights or privileges of
      the Holder, shall give rise to any liability of the Holder for the
      purchase price of any Common Stock or as a stockholder of the Company,
      whether such liability is asserted by the Company or by creditors of the
      Company.

            k) Remedies. The Holder, in addition to being entitled to exercise
      all rights granted by law, including recovery of damages, will be entitled
      to specific performance of its rights under this Warrant. The Company
      agrees that monetary damages would not be adequate compensation for any
      loss incurred by reason of a breach by it of the provisions of this
      Warrant and hereby agrees to waive the defense in any action for specific
      performance that a remedy at law would be adequate.

            l) Successors and Assigns. Subject to applicable securities laws,
      this Warrant and the rights and obligations evidenced hereby shall inure
      to the benefit of and be binding upon the successors of the Company and
      the successors and permitted assigns of the Holder. The provisions of this
      Warrant are intended to be for the benefit of all Holders from time to
      time of this Warrant and shall be enforceable by any such Holder or holder
      of Warrant Shares.

                                       11
<PAGE>

            m) Amendment. This Warrant may be modified or amended or the
      provisions hereof waived with the written consent of the Company and the
      Holder.

            n) Severability. Wherever possible, each provision of this Warrant
      shall be interpreted in such manner as to be effective and valid under
      applicable law, but if any provision of this Warrant shall be prohibited
      by or invalid under applicable law, such provision shall be ineffective to
      the extent of such prohibition or invalidity, without invalidating the
      remainder of such provisions or the remaining provisions of this Warrant.

            o) Headings. The headings used in this Warrant are for the
      convenience of reference only and shall not, for any purpose, be deemed a
      part of this Warrant.

                              ********************

                                       12
<PAGE>

            IN WITNESS WHEREOF, the Company has caused this Warrant to be
executed by its officer thereunto duly authorized.

Dated: December __, 2005

                                             WORLD WASTE TECHNOLOGIES, INC.

                                             By:
                                                --------------------------------
                                                Name:
                                                Title:

                                       13
<PAGE>

                               NOTICE OF EXERCISE

TO: [_____________

            (1) The undersigned hereby elects to purchase ________ Warrant
Shares of the Company pursuant to the terms of the attached Warrant (only if
exercised in full), and tenders herewith payment of the exercise price in full,
together with all applicable transfer taxes, if any.

            (2) Payment shall take the form of (check applicable box):

                  [ ] in lawful money of the United States; or

                  [ ] the cancellation of such number of Warrant Shares as is
                  necessary, in accordance with the formula set forth in
                  subsection 2(c), to exercise this Warrant with respect to the
                  maximum number of Warrant Shares purchasable pursuant to the
                  cashless exercise procedure set forth in subsection 2(c).

            (3) Please issue a certificate or certificates representing said
Warrant Shares in the name of the undersigned or in such other name as is
specified below:

                  ______________________________

The Warrant Shares shall be delivered to the following:

                  ______________________________

                  ______________________________

                  ______________________________

            (4) Accredited Investor. The undersigned is an "accredited investor"
as defined in Regulation D promulgated under the Securities Act of 1933, as
amended.

[SIGNATURE OF HOLDER]

Name of Investing Entity: ______________________________________________________
Signature of Authorized Signatory of Investing Entity: _________________________
Name of Authorized Signatory: __________________________________________________
Title of Authorized Signatory: _________________________________________________
Date: __________________________________________________________________________

<PAGE>

                                 ASSIGNMENT FORM

                    (To assign the foregoing warrant, execute
                   this form and supply required information.
                 Do not use this form to exercise the warrant.)

            FOR VALUE RECEIVED, the foregoing Warrant and all rights evidenced
thereby are hereby assigned to

_______________________________________________ whose address is

_______________________________________________________________.

_______________________________________________________________

                                                  Dated: ______________, _______

               Holder's Signature: _____________________________

               Holder's Address:   _____________________________

                                   _____________________________

Signature Guaranteed:  ___________________________________________

NOTE: The signature to this Assignment Form must correspond with the name as it
appears on the face of the Warrant, without alteration or enlargement or any
change whatsoever, and must be guaranteed by a bank or trust company. Officers
of corporations and those acting in a fiduciary or other representative capacity
should file proper evidence of authority to assign the foregoing Warrant.Exhibit 10.3

THIS SECURITY HAS NOT BEEN REGISTERED WITH THE SECURITIES AND EXCHANGE
COMMISSION OR THE SECURITIES COMMISSION OF ANY STATE IN RELIANCE UPON AN
EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE
"SECURITIES ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED OR SOLD EXCEPT PURSUANT
TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR PURSUANT TO
AN AVAILABLE EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE
REGISTRATION REQUIREMENTS OF THE SECURITIES ACT AND IN ACCORDANCE WITH
APPLICABLE STATE SECURITIES LAWS AS EVIDENCED BY A LEGAL OPINION OF COUNSEL TO
THE TRANSFEROR TO SUCH EFFECT, THE SUBSTANCE OF WHICH SHALL BE REASONABLY
ACCEPTABLE TO THE COMPANY. THIS SECURITY MAY BE PLEDGED IN CONNECTION WITH A
BONA FIDE MARGIN ACCOUNT OR OTHER LOAN SECURED BY SUCH SECURITY.

THIS DEBENTURE WAS ISSUED WITH WARRANTS AND AS SUCH IS ISSUED AT AN ORIGINAL
ISSUE DISCOUNT

Original Issue Date: ____________ __, 200__

                                                                      $_________

                          10% SENIOR SECURED DEBENTURE

      THIS 10% SECURED DEBENTURE is one of a series of duly authorized and
issued 10% Senior Secured Debentures of World Waste Technologies, Inc., a
California corporation, having a principal place of business at 10600 N. De Anza
Blvd., Suite 250, Cupertino, CA 95014 (the "Company"), designated as its 10%
Senior Secured Debentures (the "Debentures").

      FOR VALUE RECEIVED, the Company promises to pay to ___________________ or
its registered assigns (the "Holder"), the principal sum of $________ on the
earlier of (a) June __, 2007, (b) the closing of one or more financings of
Common Stock or Common Stock Equivalents (as defined in the Purchase Agreement)
occurring after the date hereof generating gross cash proceeds to the Company in
the aggregate amount of at least $9.0 million, excluding any proceeds from the
sale of securities issued pursuant to the Transaction Documents and excluding
any securities issued pursuant to the Exchange Offer (as defined in the Purchase
Agreement), (c) or such earlier date as this Debenture is required or permitted
to be repaid as provided hereunder (the "Maturity Date"), and to pay interest to
the Holder on the then outstanding principal amount of this Debenture in
accordance with the provisions hereof. This Debenture is subject to the
following additional provisions:

      Section 1. Definitions. For the purposes hereof, in addition to the terms
defined elsewhere in this Debenture: (a) capitalized terms not otherwise defined
herein have the meanings given to such terms in the Purchase Agreement, and (b)
the following terms shall have the following meanings:

                                       1
<PAGE>

            "Agent" shall have the meaning set forth in the Security Agreement.

            "Business Day" means any day except Saturday, Sunday and any day
      which shall be a federal legal holiday in the United States or a day on
      which banking institutions in the State of New York are authorized or
      required by law or other government action to close.

                  "Change of Control Transaction" means the occurrence after the
         date hereof of any of (i) an acquisition after the date hereof by an
         individual or legal entity or "group" (as described in Rule 13d-5(b)(1)
         promulgated under the Exchange Act), other than pursuant to the
         Transaction Documents, of effective control (whether through legal or
         beneficial ownership of capital stock of the Company, by contract or
         otherwise) of in excess of 40% of the voting securities of the Company,
         or (ii) other than a merger the sole purpose of which is to
         reincorporate the Company, the Company merges into or consolidates with
         any other Person, or any Person merges into or consolidates with the
         Company and, after giving effect to such transaction, the stockholders
         of the Company immediately prior to such transaction own less than 60%
         of the aggregate voting power of the Company or the successor entity of
         such transaction, or (iii) the Company sells or transfers its assets,
         as an entirety or substantially as an entirety, to another Person and
         the stockholders of the Company immediately prior to such transaction
         own less than 60% of the aggregate voting power of the acquiring entity
         immediately after the transaction, or (iv) a replacement at one time or
         within a three year period of more than one-half of the members of the
         Company's board of directors which is not approved by a majority of
         those individuals who are members of the board of directors on the date
         hereof (or by those individuals who are serving as members of the board
         of directors on any date whose nomination to the board of directors was
         approved by a majority of the members of the board of directors who are
         members on the date hereof), or (v) the execution by the Company of an
         agreement to which the Company is a party or by which it is bound,
         providing for any of the events set forth above in (i) or (iv)
         Notwithstanding the foregoing, (i) the acquisition of the Company's
         securities by any holder of the Company's Series A Preferred Stock (or
         any of such holders' Affiliates) shall in no event be deemed to be a
         "Change of Control Transaction" and (ii) any transaction the proceeds
         of which are used to repay the Debentures in full shall not be deemed a
         "Change of Control Transaction".

                  "Common Stock" means the common stock, par value $0.001 per
         share, of the Company and stock of any other class of securities into
         which such securities may hereafter have been reclassified or changed
         into.

            "Debenture Register" shall have the meaning set forth in Section
      2(a).

                                       2
<PAGE>

            "Event of Default" shall have the meaning set forth in Section 6.

            "Exchange Act" means the Securities Exchange Act of 1934, as
      amended, and the rules and regulations promulgated thereunder.

            "Fundamental Transaction" shall mean (A) the Company effects any
      sale of all or substantially all of its assets in one or a series of
      related transactions, (B) any tender offer or exchange offer (other than
      the Exchange Offer)(whether by the Company or another Person) is completed
      pursuant to which holders of Common Stock are permitted to tender or
      exchange their shares for other securities, cash or property, or (C) the
      Company effects any reclassification of the Common Stock or any compulsory
      share exchange pursuant to which the Common Stock is effectively converted
      into or exchanged for other securities, cash or property.

            "Late Fees" shall have the meaning set forth in Section 2(b).

            "Mandatory Default Amount" shall equal the sum of (i) 100% of the
      principal amount of this Debenture then outstanding, plus all accrued and
      unpaid interest thereon and (ii) all other amounts, costs, expenses and
      liquidated damages due in respect of this Debenture.

            "New York Courts" shall have the meaning set forth in Section 7(e).

            "Original Issue Date" shall mean the date of the first issuance of
      this Debenture regardless of the number of transfers of any Debenture and
      regardless of the number of instruments which may be issued to evidence
      such Debenture.

                                       3
<PAGE>

            "Permitted Indebtedness" shall mean the individual and collective
      reference to the following: (a) the Debentures, the Existing Securities
      (provided that the holders of at least $3,515,000 aggregate principal
      amount of such Existing Securities have entered into the Security
      Agreement (in the form attached to the Purchase Agreement)) and up to
      approximately $________ of Indebtedness existing on the date of the
      Purchase Agreement as described in Schedule 3.1(aa) attached to the
      Purchase Agreement, (b) Indebtedness incurred in connection with the
      acquisition of capital assets and obligations under sale-leaseback
      arrangements with respect to newly acquired or leased assets to Persons up
      to, in the aggregate at any one time outstanding, a maximum of $3,000,000,
      (c) purchase money Indebtedness with respect to newly acquired assets, and
      (d) up to $10 million of additional Indebtedness incurred by the Company
      that does not mature or require payments of principal prior to the
      Maturity Date and is made expressly subordinate in right of payment to the
      Indebtedness evidenced by this Debenture, as reflected in a written
      agreement reasonably acceptable to the Agent and approved by the Holder in
      writing.

            "Permitted Lien" shall mean the individual and collective reference
      to the following: (a) Liens for taxes, assessments and other governmental
      charges or levies not yet due or Liens for taxes, assessments and other
      governmental charges or levies being contested in good faith and by
      appropriate proceedings for which adequate reserves (in the good faith
      judgment of the management of the Company) have been established in
      accordance with GAAP; (b) any Liens incurred in connection with Permitted
      Indebtedness under clause (b) and (c) in the definition of Permitted
      Indebtedness above, provided that such liens are not secured by assets of
      the Company or its Subsidiaries other than the assets so acquired or
      leased; (c) Liens imposed by law which were incurred in the ordinary
      course of business, such as carriers', warehousemen's and mechanics'
      Liens, statutory landlords' Liens, and other similar Liens arising in the
      ordinary course of business, and (x) which do not individually or in the
      aggregate materially detract from the value of such property or assets or
      materially impair the use thereof in the operation of the business of the
      Company and its consolidated Subsidiaries or (y) which are being contested
      in good faith by appropriate proceedings, which proceedings have the
      effect of preventing the forfeiture or sale of the property or asset
      subject to such Lien; and (d) Liens created in favor of the Purchasers
      pursuant to the Security Documents and Liens created in favor of the
      holders of the Existing Securities (provided that the holders of at least
      $3,515,000 aggregate principal amount of such Existing Securities have
      entered into the Security Agreement (in the form attached to the Purchase
      Agreement)).

            "Person" means a corporation, an association, a limited liability
      company, a partnership, an organization, a business, an individual, a
      government or political subdivision thereof or a governmental agency.

            "Purchase Agreement" means the Securities Purchase Agreement, dated
      as of December 27, 2005, to which the Company, the original Holder and
      other investors signatory thereto are parties, as amended, modified or
      supplemented from time to time in accordance with its terms.

            "Subsidiary" shall have the meaning given to such term in the
      Purchase Agreement.

            "Trading Day" means a day on which the Common Stock is traded on a
      Trading Market.

            "Trading Market" means the following markets or exchanges on which
      the Common Stock is listed or quoted for trading on the date in question:
      the Nasdaq SmallCap Market, the American Stock Exchange, the New York
      Stock Exchange, the Nasdaq National Market or the OTC Bulletin Board.

            "Transaction Documents" shall have the meaning set forth in the
      Purchase Agreement.

      Section 2. Interest.

                                       4
<PAGE>

            a) Interest Calculations. Interest on the then outstanding principal
      amount of this Debenture shall accrue at the rate of 10% per annum,
      payable quarterly on December 31, March 31, June 30 and September 30,
      beginning on March 31, 2006 and on the Maturity Date. Interest shall be
      calculated on the basis of a 360-day year and shall accrue daily
      commencing on the Original Issue Date until payment in full of the
      principal sum, together with all accrued and unpaid interest and other
      amounts which may become due hereunder, has been made. Interest shall
      compound quarterly. Interest hereunder will be paid to the Person in whose
      name this Debenture is registered on the records of the Company regarding
      registration and transfers of this Debenture (the "Debenture Register").

            b) Late Fee. All overdue accrued and unpaid interest to be paid
      hereunder shall entail a late fee at the rate of 18% per annum (or such
      lower maximum amount of interest permitted to be charged under applicable
      law) ("Late Fees") which will accrue daily, from the date such interest is
      due hereunder through and including the date of payment.

            c) Prepayment. The Company may prepay this Debenture at any time
      without penalty provided that the Company acknowledges and agrees that the
      Warrants issued pursuant to the Purchase Agreement shall not be reduced by
      any such prepayment and that the rights of the Holder pursuant to Section
      4.13(g) of the Purchase Agreement shall pre-empt the Company's prepayment
      right hereunder.

      Section 3. Registration of Transfers and Exchanges.

            a) Different Denominations. This Debenture is exchangeable for an
      equal aggregate principal amount of Debentures of different authorized
      denominations, as requested by the Holder surrendering the same. No
      service charge will be made for such registration of transfer or exchange.

            b) Investment Representations. This Debenture has been issued
      subject to certain investment representations of the original Holder set
      forth in the Purchase Agreement and may be transferred or exchanged only
      in compliance with the Purchase Agreement and applicable federal and state
      securities laws and regulations.

            c) Reliance on Debenture Register. Prior to due presentment to the
      Company for transfer of this Debenture, the Company and any agent of the
      Company may treat the Person in whose name this Debenture is duly
      registered on the Debenture Register as the owner hereof for the purpose
      of receiving payment as herein provided and for all other purposes,
      whether or not this Debenture is overdue, and neither the Company nor any
      such agent shall be affected by notice to the contrary.

      Section 4. Intentionally Omitted.

                                       5
<PAGE>

      Section 5. Negative Covenants. So long as any portion of this Debenture is
outstanding, without the consent of the holders of at least 30% in interest of
the principal amount outstanding on all Debentures, the Company will not and
will not permit any of its Subsidiaries to directly or indirectly:

            a) other than Permitted Indebtedness, enter into, create, incur,
      assume, guarantee or suffer to exist any indebtedness for borrowed money
      of any kind, including but not limited to, a guarantee, on or with respect
      to any of its property or assets now owned or hereafter acquired or any
      interest therein or any income or profits therefrom;

            b) other than Permitted Liens, enter into, create, incur, assume or
      suffer to exist any liens of any kind, on or with respect to any of its
      property or assets now owned or hereafter acquired or any interest therein
      or any income or profits therefrom;

            c) amend its certificate of incorporation, bylaws or other charter
      documents so as to materially and adversely affect any rights of the
      Holder;

            d) repay, repurchase or otherwise acquire shares of its Common Stock
      or Common Stock Equivalents other than repurchases of shares of Common
      Stock or other equity securities of departing officers and directors of
      the Company; provided such repurchases shall not exceed $130,000, in the
      aggregate, for all officers and directors during the term of this
      Debenture;

            e) enter into any agreement with respect to any of the foregoing; or

            f) pay cash dividends or cash distributions on any equity securities
      of the Company.

      Section 6. Events of Default.

            a) "Event of Default", wherever used herein, means any one of the
      following events (whatever the reason and whether it shall be voluntary or
      involuntary or effected by operation of law or pursuant to any judgment,
      decree or order of any court, or any order, rule or regulation of any
      administrative or governmental body):

                  i. any default in the payment of (A) the principal amount of
            any Debenture, or (B) interest (including Late Fees) on, or
            liquidated damages in respect of, any Debenture, as and when the
            same shall become due and payable (whether on the Maturity Date or
            by acceleration or otherwise) which default is not cured within 5
            Trading Days;

                  ii. the Company shall materially fail to observe or perform
            any other covenant or agreement contained in (A) this Debenture or
            (B) any of the other Transaction Documents, which failure is not
            cured, if possible to cure, within the earlier to occur of (A) 30
            Trading Days after notice of such default sent by the Holder or by
            any other Holder and (B) 45 Trading Days after the Company shall
            become or should have become aware of such failure;

                                       6
<PAGE>

                  iii. a default or event of default (subject to any grace or
            cure period provided for in the applicable agreement, document or
            instrument) shall occur under any material agreement (other than the
            Transaction Documents), lease, document or instrument to which the
            Company or any Subsidiary is bound and would have a Material Adverse
            Effect on the Company, and such default shall not be cured by the
            Company within 60 days thereafter;

                  iv. any representation or warranty made herein, in any other
            Transaction Documents shall be materially untrue or incorrect in any
            material respect as of the date when made or deemed made;

                  v. (i) the Company or any of its material Subsidiaries shall
            commence a case, as debtor, under any applicable bankruptcy or
            insolvency laws as now or hereafter in effect or any successor
            thereto, or the Company or any material Subsidiary commences any
            other proceeding under any reorganization, arrangement, adjustment
            of debt, relief of debtors, dissolution, insolvency or liquidation
            or similar law of any jurisdiction whether now or hereafter in
            effect relating to the Company or any material Subsidiary thereof;
            or (ii) there is commenced a case against the Company or any
            material Subsidiary thereof, under any applicable bankruptcy or
            insolvency laws, as now or hereafter in effect or any successor
            thereto which remains undismissed for a period of 60 days; or (iii)
            the Company or any material Subsidiary thereof is adjudicated by a
            court of competent jurisdiction insolvent or bankrupt; or any order
            of relief or other order approving any such case or proceeding is
            entered; or (iv) the Company or any material Subsidiary thereof
            suffers any appointment of any custodian or the like for it or any
            substantial part of its property which continues undischarged or
            unstayed for a period of 60 days; or (v) the Company or any material
            Subsidiary thereof makes a general assignment for the benefit of
            creditors; or (vi) the Company or any material Subsidiary thereof
            shall call a meeting of its creditors with a view to arranging a
            composition, adjustment or restructuring of its debts; or (vii) the
            Company or any material Subsidiary thereof shall by any act or
            failure to act expressly indicate its consent to, approval of or
            acquiescence in any of the foregoing; or (viii) any corporate or
            other action is taken by the Company or any material Subsidiary
            thereof for the purpose of effecting any of the foregoing;

                  vi. the Company or any Subsidiary shall default in any of its
            obligations under any mortgage, credit agreement or other facility,
            indenture agreement, factoring agreement or other instrument under
            which there may be issued, or by which there may be secured or
            evidenced any indebtedness for borrowed money or money due under any
            long term leasing or factoring arrangement of the Company in an
            amount exceeding $350,000, whether such indebtedness now exists or
            shall hereafter be created and such default shall continue for more
            than the period of grace, if any, specified therein and shall not
            have been waived pursuant thereto;

                                       7
<PAGE>

                  vii. the Common Stock shall not be eligible for quotation on
            or quoted for trading on a Trading Market and shall not again be
            eligible for and quoted or listed for trading thereon within five
            Trading Days;

                  viii. the Company shall be a party to any Change of Control
            Transaction or Fundamental Transaction, shall agree to sell or
            dispose of all or in excess of 40% of its assets in one or more
            transactions (whether or not such sale would constitute a Change of
            Control Transaction) or shall redeem or repurchase more than a de
            minimis number of its outstanding shares of Common Stock or other
            equity securities of the Company (other than repurchases of shares
            of Common Stock or other equity securities of departing officers and
            directors of the Company; provided such repurchases shall not exceed
            $130,000, in the aggregate, for all officers and directors during
            the term of this Debenture);

                  ix. the Company shall fail to have available a sufficient
            number of authorized and unreserved shares of Common Stock to issue
            to such Holder upon exercise of the Warrants in full;

                  x. any monetary judgment, writ or similar final process shall
            be entered or filed against the Company, any Subsidiary or any of
            their respective property or other assets for more than $200,000,
            and shall remain unvacated, unbonded or unstayed for a period of 45
            calendar days; or

                  xi. the Company shall fail, at any time, to have a perfected,
            first priority security interest in any material portion of the
            Collateral (as defined in the Security Agreement) and all other
            assets pledged to Holder as security for the loan evidenced by this
            Debenture, in each case in accordance with and subject to the
            exceptions in the Security Agreement.

            b) Remedies Upon Event of Default. If any Event of Default occurs,
      (i) the full principal amount of this Debenture, together with interest
      and other amounts owing in respect thereof, to the date of acceleration
      shall become, solely at the election of holders of at least 30% in
      interest of the principal amount outstanding under all Debentures,
      immediately due and payable in cash. The aggregate amount payable upon an
      Event of Default shall be equal to the Mandatory Default Amount.
      Commencing 5 days after the occurrence of any Event of Default that
      results in the eventual acceleration of this Debenture, the interest rate
      on this Debenture shall accrue at the rate of 18% per annum, or such lower
      maximum amount of interest permitted to be charged under applicable law.
      Upon the payment in full of the Mandatory Default Amount on this entire
      Debenture the Holder shall promptly surrender this Debenture to or as
      directed by the Company. The Holder need not provide and the Company
      hereby waives any presentment, demand, protest or other notice of any
      kind, and the Holder may immediately and without expiration of any grace
      period enforce any and all of its rights and remedies hereunder and all
      other remedies available to it under applicable law. Such declaration may
      be rescinded and annulled by Holder at any time prior to payment hereunder
      and the Holder shall have all rights as a Debenture holder until such
      time, if any, as the full payment under this Section shall have been
      received by it. No such rescission or annulment shall affect any
      subsequent Event of Default or impair any right consequent thereon.

                                       8
<PAGE>

      Section 7. Miscellaneous.

            a) Notices. Any and all notices or other communications or
      deliveries to be provided by the Holder hereunder shall be in writing and
      delivered personally, by facsimile, sent by a nationally recognized
      overnight courier service, addressed to the Company, at the address set
      forth above, facsimile number _________, Attn: _____________ or such other
      address or facsimile number as the Company may specify for such purposes
      by notice to the Holder delivered in accordance with this Section. Any and
      all notices or other communications or deliveries to be provided by the
      Company hereunder shall be in writing and delivered personally, by
      facsimile, sent by a nationally recognized overnight courier service
      addressed to each Holder at the facsimile telephone number or address of
      such Holder appearing on the books of the Company, or if no such facsimile
      telephone number or address appears, at the principal place of business of
      the Holder. Any notice or other communication or deliveries hereunder
      shall be deemed given and effective on the earliest of (i) the date of
      transmission, if such notice or communication is delivered via facsimile
      at the facsimile telephone number specified in this Section prior to 5:30
      p.m. (New York City time), (ii) the date after the date of transmission,
      if such notice or communication is delivered via facsimile at the
      facsimile telephone number specified in this Section later than 5:30 p.m.
      (New York City time) on any date and earlier than 11:59 p.m. (New York
      City time) on such date, (iii) the second Business Day following the date
      of mailing, if sent by nationally recognized overnight courier service, or
      (iv) upon actual receipt by the party to whom such notice is required to
      be given.

            b) Absolute Obligation. Except as expressly provided herein, no
      provision of this Debenture shall alter or impair the obligation of the
      Company, which is absolute and unconditional, to pay the principal of,
      interest and liquidated damages (if any) on, this Debenture at the time,
      place, and rate, and in the coin or currency, herein prescribed. This
      Debenture is a direct debt obligation of the Company. This Debenture ranks
      pari passu with all other Debentures now or hereafter issued under the
      terms set forth herein.

            c) Security Interest. This Debenture is a direct debt obligation of
      the Company and, pursuant to the Security Documents, is secured by a first
      priority security interest in all of the assets of the Company and certain
      other collateral for the benefit of the Holders.

                                       9
<PAGE>

            d) Lost or Mutilated Debenture. If this Debenture shall be
      mutilated, lost, stolen or destroyed, the Company shall execute and
      deliver, in exchange and substitution for and upon cancellation of a
      mutilated Debenture, or in lieu of or in substitution for a lost, stolen
      or destroyed Debenture, a new Debenture for the principal amount of this
      Debenture so mutilated, lost, stolen or destroyed but only upon receipt of
      evidence of such loss, theft or destruction of such Debenture, and of the
      ownership hereof, and indemnity, if requested, all reasonably satisfactory
      to the Company.

            e) Governing Law. All questions concerning the construction,
      validity, enforcement and interpretation of this Debenture shall be
      governed by and construed and enforced in accordance with the internal
      laws of the State of New York, without regard to the principles of
      conflicts of law thereof. Each party agrees that all legal proceedings
      concerning the interpretations, enforcement and defense of the
      transactions contemplated by any of the Transaction Documents (whether
      brought against a party hereto or its respective affiliates, directors,
      officers, shareholders, employees or agents) shall be commenced in the
      state and federal courts sitting in the City of New York, Borough of
      Manhattan (the "New York Courts"). Each party hereto hereby irrevocably
      submits to the exclusive jurisdiction of the New York Courts for the
      adjudication of any dispute hereunder or in connection herewith or with
      any transaction contemplated hereby or discussed herein (including with
      respect to the enforcement of any of the Transaction Documents), and
      hereby irrevocably waives, and agrees not to assert in any suit, action or
      proceeding, any claim that it is not personally subject to the
      jurisdiction of any such court, or such New York Courts are improper or
      inconvenient venue for such proceeding. Each party hereby irrevocably
      waives personal service of process and consents to process being served in
      any such suit, action or proceeding by mailing a copy thereof via
      registered or certified mail or overnight delivery (with evidence of
      delivery) to such party at the address in effect for notices to it under
      this Debenture and agrees that such service shall constitute good and
      sufficient service of process and notice thereof. Nothing contained herein
      shall be deemed to limit in any way any right to serve process in any
      manner permitted by law. Each party hereto hereby irrevocably waives, to
      the fullest extent permitted by applicable law, any and all right to trial
      by jury in any legal proceeding arising out of or relating to this
      Debenture or the transactions contemplated hereby. If either party shall
      commence an action or proceeding to enforce any provisions of this
      Debenture, then the prevailing party in such action or proceeding shall be
      reimbursed by the other party for its reasonable attorneys' fees and other
      costs and expenses incurred with the investigation, preparation and
      prosecution of such action or proceeding.

            f) Waiver. Any waiver by the Company or the Holder of a breach of
      any provision of this Debenture shall not operate as or be construed to be
      a waiver of any other breach of such provision or of any breach of any
      other provision of this Debenture. The failure of the Company or the
      Holder to insist upon strict adherence to any term of this Debenture on
      one or more occasions shall not be considered a waiver or deprive that
      party of the right thereafter to insist upon strict adherence to that term
      or any other term of this Debenture. Any waiver must be in writing.

                                       10
<PAGE>

            g) Severability. If any provision of this Debenture is invalid,
      illegal or unenforceable, the balance of this Debenture shall remain in
      effect, and if any provision is inapplicable to any person or
      circumstance, it shall nevertheless remain applicable to all other persons
      and circumstances. If it shall be found that any interest or other amount
      deemed interest due hereunder violates applicable laws governing usury,
      the applicable rate of interest due hereunder shall automatically be
      lowered to equal the maximum permitted rate of interest. The Company
      covenants (to the extent that it may lawfully do so) that it shall not at
      any time insist upon, plead, or in any manner whatsoever claim or take the
      benefit or advantage of, any stay, extension or usury law or other law
      which would prohibit or forgive the Company from paying all or any portion
      of the principal of or interest on this Debenture as contemplated herein,
      wherever enacted, now or at any time hereafter in force, or which may
      affect the covenants or the performance of this indenture, and the Company
      (to the extent it may lawfully do so) hereby expressly waives all benefits
      or advantage of any such law, and covenants that it will not, by resort to
      any such law, hinder, delay or impeded the execution of any power herein
      granted to the Holder, but will suffer and permit the execution of every
      such as though no such law has been enacted.

            h) Next Business Day. Whenever any payment or other obligation
      hereunder shall be due on a day other than a Business Day, such payment
      shall be made on the next succeeding Business Day.

            i) Headings. The headings contained herein are for convenience only,
      do not constitute a part of this Debenture and shall not be deemed to
      limit or affect any of the provisions hereof.

            j) Usury. To the extent it may lawfully do so, the Company hereby
      agrees not to insist upon or plead or in any manner whatsoever claim, and
      will resist any and all efforts to be compelled to take the benefit or
      advantage of, usury laws wherever enacted, now or at any time hereafter in
      force, in connection with any claim, action or proceeding that may be
      brought by any Purchaser in order to enforce any right or remedy under any
      Transaction Document. Notwithstanding any provision to the contrary
      contained in any Transaction Document, it is expressly agreed and provided
      that the total liability of the Company under the Transaction Documents
      for payments in the nature of interest shall not exceed the Maximum Rate,
      and, without limiting the foregoing, in no event shall any rate of
      interest or default interest, or both of them, when aggregated with any
      other sums in the nature of interest that the Company may be obligated to
      pay under the Transaction Documents exceed such Maximum Rate. It is agreed
      that if the maximum contract rate of interest allowed by law and
      applicable to the Transaction Documents is increased or decreased by
      statute or any official governmental action subsequent to the date hereof,
      the new maximum contract rate of interest allowed by law will be the
      Maximum Rate applicable to the Transaction Documents from the effective
      date of such increase or decrease forward, unless such application is
      precluded by applicable law. If under any circumstances whatsoever,
      interest in excess of the Maximum Rate is paid by the Company to any
      Purchaser with respect to indebtedness, if any, evidenced by the
      Transaction Documents, such excess shall be applied by such Purchaser to
      the unpaid principal balance of any such indebtedness or be refunded to
      the Company, the manner of handling such excess to be at such Purchaser's
      election in the event any principal amount remains outstanding.

                                       11
<PAGE>

            k) Assumption. Any successor to the Company or surviving entity in a
      Fundamental Transaction or any merger or consolidation of the Company with
      or into another Person ("Merger") shall (i) assume in writing all of the
      obligations of the Company under this Debenture and the other Transaction
      Documents pursuant to written agreements in form and substance
      satisfactory to the Holder (such approval not to be unreasonably withheld
      or delayed) prior to such Fundamental Transaction or Merger and (ii) to
      issue to the Holder a new debenture of such successor entity evidenced by
      a written instrument substantially similar in form and substance to this
      Debenture, including, without limitation, having a principal amount and
      interest rate equal to the principal amounts and the interest rates of the
      Debentures held by the Holder and having similar ranking to this
      Debenture, and satisfactory to the Holder (any such approval not to be
      unreasonably withheld or delayed). The provisions of this Section 7(k)
      shall apply similarly and equally to successive Fundamental Transactions
      or Merger and shall be applied without regard to any limitations of this
      Debenture.

            l) Waivers and Amendments. With the written consent of the Qualified
      Purchasers, the obligations of the Company and the rights of the Holder
      under this Debenture may be amended or waived (either generally or in a
      particular instance, either retroactively or prospectively, and either for
      a specified period of time or indefinitely).

                              *********************

                                       12
<PAGE>

      IN WITNESS WHEREOF, the Company has caused this Debenture to be duly
executed by a duly authorized officer as of the date first above indicated.

                                            WORLD WASTE TECHNOLOGIES, INC.

                                            By:
                                               ---------------------------------
                                               Name:
                                               Title:

                                       13

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