CNN's ... Melting Point... [global warming]

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"The confusing debate over climate change has given way to a new scientific consensus: The Earth is getting warmer."

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"Humans contribute to global warming mainly through the burning of fossil fuels, which creates carbon dioxide and other "greenhouse gases." In the atmosphere, these gases act like panes of glass in a greenhouse, allowing direct solar energy in but preventing the heat radiating from the Earth from escaping."

CNN News Channel Special Documentary:
Sunday, March 27 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Melting Point: Tracking the Global Warming Threat
7 p.m. CST (8 p.m. EST)Â Â Â Â Â Â Â Â Â Â Â

Repeats: Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Saturday, April 2 Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â
Melting Point: Tracking the Global Warming ThreatÂ Â Â
6 a.m., 8 p.m., 11 p.m., EST -- an hour earlier CST.
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More information at:
http://www.cnn.com/CNN/Programs/presents/index.html
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