This government site allows you to search environmental information compiled by several federal agencies including the Environmental Protection Agency, Department of Commerce, Department of Defense and Department of Transportation. Once you choose to search the NEDI databases, you can choose to do a full-text or fielded search. The House of Representatives runs Thomas which provides the public access to all versions of House and Senate bills going back to 1995. Thomas does provide summaries for all bills beginning with 1973. Thomas also provides access to committee reports, the Congressional Record, bill summaries and bill amendments.
Major legislation is grouped by category.