"The goal of the ESRI Conservation Program (ECP) is to support conservation groups and related non-profit local, international, and indigenous

organizations in acquiring, learning, and

using geographic information system (GIS) tools and methods." Includes information on free GIS data, software, and tutorials. Offers grants of complete GIS centers to grass-roots orgs active in conservation.
The URL is: http://www.conservationgis.org/

Multifaceted plans for each of the 21 major land and water systems in the United States and Canada. "These 21 regional plans will help achieve our global vision: to restore the ecological health of the planet through concrete local action." A project of the Sierra Club.
The URL is: http://www.sierraclub.org/ecoregions/

The site includes a search engine (focused on geographic-related Websites), geo software (including freeware), recent news related to

the GIS community, and a Q&A section. The site can be translated in five different languages.
The URL is: http://www.geocomm.com/

A portal to the Geography Network's resources related to land management and land records. Users can publicize data and events; request information from other users; search for data, references, and events; and sign up to receive updates when new data are posted to a specified geographic area. By the Bureau of Land Management (BLM)and the US Forest Service (USFS).
The URL is: http://www.geocommunicator.gov/