The World Conservation Monitoring Centre provides information services on conservation and sustainable use of the world's living resources, and helps others to develop information systems of their own.

http://www.wcmc.org.uk/cis

The Eco Club is a site that has information about eco tourism, eco-lodges, jobs and much more.

http://www.ecoclub.com

The World Wildlife Fund's goal is to stop, and eventually reverse the worsening degradation of the planet's natural environment, and build a future in which humans live in harmony with nature.

http://www.wwf.org

The Wildlife Conservation Society combines the resources of wildlife parks in New York with field projects around the globe to inspire care for nature, provide leadership in environmental education, and help sustain our planet's biological diversity

http://wcs.org

The African Wildlife Foundation, together with the people of Africa, works to ensure the wildlife and wild lands of Africa will endure forever

http://www.awf.org

The International Ecotourism Society provides useful information for conservationist, eco-travel specialists, researchers and travelers.