Global Warming: What You Need to Know is a two-hour documentary presented by Tom Brokaw, visiting global warming tipping points across the planet as experts examine the latest evidence about global warming. The program takes viewers to global warming hot spots where the planet is most affected by climate change - into rushing subterranean rivers deep in Patagonian glaciers, into the drought-stricken Amazon, on coral reefs ravaged by rising ocean temperatures, into a massive Chinese coal mine, and many more. (from discovery.com)
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