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

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C2es.org:

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Independent.co.uk: The Independent | News | UK and Worldwide News | Newspaper

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Pewtrusts.org: The Pew Charitable Trusts - Non Profit Organization Serving the Public

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Space.com: Learn More at Space.com. From Satellites to Stars, NASA information ...

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Globalwarming.markey.house.gov:

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