Thomas is the Web site of the Library of Congress. It serves as a portal to legislative information including: Bill, Resolutions Activity in Congress Congressional Record Schedules, Calendars Committee Information Presidential Nominations Treaties
Use Thomas to become familiar with the work of:
House Committee on Agriculture
Senate Committee on Agricluture, Nutrition & Forestry
The Alternative Farming Systems Information Center (AFSIC) specializes in identifying resources about sustainable food systems and practices in support of USDA's effort to ensure a sustainable future for agriculture and farmers worldwide.
This government organization's purpose is to investigate federal spending, and issue reports about how funds are spent. The site is searchable, so you can look up reports about "sustainable agriculture", etc.