Copy on both sides of the paper. This is especially efficient for internal documents and drafts. Reduce documents to fit two pages onto one. Use for circulating rough drafts or file copies of documents. Use lighter weight paper.
Lighter paper requires less energy and fewer raw materials when it's manufactured.
Find alternatives to mail. Use email, voice mail and fax modem transmissions whenever possible. Eliminate unnecessary subscriptions. Cancel newspapers, newsletters, and magazines you don't read or can access online. Take your name off mailing lists to reduce junk mail.