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The Union of Concerned Scientists is the leading science-based nonprofit working for a healthy environment and a safer world through a combination of independent scientific research and citizen action.

ThinkQuest is an international competition where student teams engage in collaborative, project-based learning to create educational websites. The winning entries form the ThinkQuest online library.

Green Mountain Energy has been providing renewable energy since 1997. We are committed to delivering renewable energy to consumers and businesses with a desire to make a difference.

The Wisconsin Bio Industry Alliance is a nonprofit corporation that supports the development of bio based renewable energy and power in Wisconsin.

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

The Natural Resources Defense Council works to protect wildlife and wild places and to ensure a healthy environment for all life on earth.

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Bluffton University

WikiAnswers: Questions and Answers from the Community