It's getting hot in here! We're not the only one the heat is getting to. Global Warming like you've never seen!

Polar bears – at least New York's Polar Bear Club comprised of cold-water swimmers – might be facing extinction due to the lack of, well, cold water.

The statistics say it all. So far, 2006 is the hottest year on record. This July, our coast-to-coast heatwave shattered records around the country.

Would you be willing to brave the risks of extreme altitudes – temporary blindness, ruptured lungs, and blood clots – to obtain prehistoric ice samples and piece together tens of thousands