This National Resources Defense Council (NRDC) documentary explores the startling phenomenon of ocean acidification, which may

This National Resources Defense Council (NRDC) documentary explores the startling phenomenon of ocean acidification, which may soon challenge marine life on a scale not seen for tens of millions of years. The film, featuring Sigourney Weaver, originally aired on Discovery Planet Green. 

Additonal videos on NRDC YouTube channel. 

The Heat Is On - Pulitzer Prize-winning journalist Ross Gelbspan, author of The Heat Is On: The High Stakes Battle Over Earth's Threatened Climate,

The Heat Is On - Pulitzer Prize-winning journalist Ross Gelbspan, author of The Heat Is On: The High Stakes Battle Over Earth's Threatened Climate, provides documentation on how global warming is real and increasing. He exposes the campaign by oil and coal interests, teamed with conservative politicians, to confuse the public on the issue. His book was published in 1997 as Mr. Gelspan was early in getting people to confront the facts of climate change.