Land Trusts

Amazon International Rainforest Reserve (AIRR) - A non-profit organization set up exclusively to buy land in the Amazon and protect it with forest rangers for the purpose of preserving the rainforest. Articles, kids' section, and description of ways to help.
www.amazonrainforest.org/

Creating Land Trusts: Help Conserve Our Land and Natural Resources - General information about the history and organization of land trust organizations. Includes links.
www.possibility.com/LandTrust/