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NASA

Powering offline action. Using the power of online to get teens to do good stuff offline.

The use of natural and renewable energy sources to provide heating and electricity for your home.

Friends of Science does literature research into global warming, climate change and the effects of global climate change to present a balanced scientific debate.

Reporting our world daily: original nature and science coverage from National Geographic.

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

Groundbreaking developments in science, space, technology, health, and the environment

Welcome to Just Facts, a nonprofit institute dedicated to researching and publishing verifiable facts about the critical public policy issues of our time.

On Global Warming: learn about what causes climate change, and how to stop it.

Committee For A Constructive Tomorrow combines the passion of environmentalism with the practical solutions of markets and technologies to help solve many of the world?s most pressing concerns and is an IRS-recognized non-profit organization.