This list provides links to the major government agency websites dealing with the environment.

Environmental Protection Agency
U.S. Department of the Interior
U.S. Fish and Wildlife Service
National Park Service
National Forest Service
Bureau of Land Management
Department of Agriculture
National Oceanic and Atmospheric Administration (NOAA) (Dept. of Commerce)
U.S. Army Corps of Engineers (Dept. of Defense)
Department of Energy
Department of Health and Human Services
United States Geological Survey (USGS)
THOMAS - Legislative Information on the Internet (Library of Congress)
National Aeronautics and Space Administration (NASA)
National Science Foundation
Congress.Org - Contacting Your Representatives!
United Nations Environment Program (UN)

National Registry of Environmental Professionals

National Association of Environmental Professionals

Institute of Professional Environmental Practice

Institute of Environmental Sciences and Technology