![Back From the Brink: Lessons Learned From Saving the Ozone Layer [Pdf] Primary](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Back From the Brink: Lessons Learned From Saving the Ozone Layer [Pdf] Primary")
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Back From the Brink: Lessons Learned From Saving the Ozone Layer [Pdf]
Good site for material on the people involved in inventing CFCs and those who discovered its effects on the ozone layer.
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Nrdc: Clean Water and Oceans
What prompted congress to pass the Clean Water Act? Has this legislation been successful? The Natural Resources Defense Council offers information on fresh and ocean waters, pollution control, conservation, and more.
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Natural Resources Defense Council: Global Warming Basics
The Natural Resources Defense Council (NRDC) offers a section focusing on frequently asked questions about global warming. Learn what causes global warming, if the earth is really getting hotter, whether or not there is cause for...