Environmental Defense is a leading advocate of economic incentives as a new approach to solving environmental problems.  It is guided by scientific evaluation of environmental problems and solutions that win lasting political, economic, and social support.  This website is excellent, containing detailed information on the organization itself, very current issue updates, and links to various eco-friendly publications.
     Two noteworthy facets of this site are “Scorecard” and the “Search/Index.”  “Scorecard” is an information service providing local air pollution and environmental concerns in any area. “Search/Index” contains a long detailed list of links to almost any environmental issue or topic one could think of.