EPA's Surf Your Watershed
Environmental Protection Agency's service to help citizens locate environmental information about their local regions.
National Association of State Conservation Agencies (NASCA)
News, membership and annual meeting information, policies, and newsletter.
National Resources Inventory
Combines field observations with remote sensing to monitor land use changes and trends nationwide. Data and trends from inventories done at 5-year intervals beginning in 1982 (most recently in 1997).
Information about pollution problems and toxic chemicals by zip code or pollutant name. Includes news, FAQ, glossary and forum.
Student Conservation Association
Provides students of all ages in the USA the opportunity to serve and protect national parks, forests and urban communities.
The Conservation Fund
Non-profit partnerships to preserve the USA outdoor heritage -- background information, news, publications, programs.