http://www.youtube.com/watch?v=vBtlCUUO7xk
From the YouTube page: “Christopher Burn, a canadian geographer, tells us that global warming is causing the permafrost in western arctic and Yukon to melt.”
http://www.youtube.com/watch?v=vBtlCUUO7xk
From the YouTube page: “Christopher Burn, a canadian geographer, tells us that global warming is causing the permafrost in western arctic and Yukon to melt.”