Discovery - Beyond Global Warming

In the Arctic, the icepack shrinks every year. To study environmental changes in the Canadian Arctic, researchers have a new floating laboratory - a converted ice breaker. Certain animal and plant species are currently under threat; others are invading or thriving as they never did before. But climate change has also produced opportunities, such as the Arctic’s vast oil and gas reserves, and a possible North-West passage trade route. So what does the warming up of the Arctic mean for the region and the world ?

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http://rapidshare.com/files/120550255/DC_BGW.part1.rar
http://rapidshare.com/files/120550397/DC_BGW.part2.rar
http://rapidshare.com/files/120550193/DC_BGW.part3.rar
http://rapidshare.com/files/120550145/DC_BGW.part4.rar