The Rainforest Site  
   Founded to help protect the environment. Visitors can save a free area of rainforest with a mouse click.
   http://www.therainforestsite.com/

SaveRainforest.net  
   Saving rain forest across the world with ecological and environmental groups. Save a portion of rainforest wilderness with just one click - free.
   http://www.saverainforest.net

Care2.com  
   Your mouse click can make an impact on the environment at no cost to you.
   http://www.care2.com/

Planet-Save.com  
   Free web e-mail service where you save 5 square feet of Amazon basin rainforest with every e-mail sent or received.
   http://www.planet-save.com

Land Care Niagara  
   Free donation sire for reforestation in Niagara.
   http://www.landcareniagara.com/

The I Want Clean Air Site  
   Free donation site to save trees by retiring polluting sulphur-dioxide emissions.
   http://www.iwantcleanair.com

Adi's Free Charity Page  
   A site allowing people to help reduce air pollution, talk about the environment and find the latest environmental headlines.
   http://www.adigaskell.org/charity.html

Ecology Fund  
   Click to donate land for free to protect the wilderness.
   http://www.ecologyfund.com/registry/ecology/index.html?noheader=-1

Oaks of the World  
   Plant an oak with a click to improve the environment and increase biodiversity.
   http://www.cl-earrings.com/iforest/en/indexe.htm

Watersite  
   Free click site to dig a well and provide water resources for survival.
   http://www.watersite.cc/

Clique Semi-Árido  
   Helps provide water supplies and storage for Brazilians in semi-arid regions.
   http://www.cliquesemiarido.org.br/eng/default.asp

Race For The Rainforest  
   Each free donation helps save rain forest as well as protect the people that inhabit them.
   http://www.racefortherainforest.com/

Tree 4 Life  
   Free donations to plant a tree to restore the Brazilian rainforest.
   http://www.tree4life.com/ingles/ingles.htm

Redjellyfish.com  
   Helps save the rainforests and feed orphaned chimpanzees for free. Registration required.
   http://www.redjellyfish.com/ctdcenter.html

Save Earth Now  
   Help protect the environment just by visiting. Works to preserve the rainforests, and public education of viable alternatives.
   http://www.jameselee.com/

The Environment Site  
   A site allowing visitors to donate for free by clicking, searching and shopping. All proceeds go to the Surrey Wildlife Trust.
   http://www.theenvironmentsite.org/

A Click for the Forest  
   Each click helps protect 15 square decimeters of old growth forests in Sweden.
   http://www.ettklickforskogen.se/engelska/ettKlickeng.asp