Monday, June 24, 2013

arctic ice tipping point

avaaz.org
Scientist Julienne Stroeve has studied Arctic ice for decades. Every summer she travels north to measure how much ice has melted. She knows that climate change is melting the ice fast, but on her last trip, she couldn't believe what she saw. Vast areas of Arctic ice have disappeared, beyond our worst expectations.

This is what the experts warned us about. As the earth warms, it creates many "tipping points" that accelerate the warming out of control. Warming thaws the Arctic sea ice, destroying the giant white 'mirror' that reflects heat back into space, which massively heats up the ocean, and melts more ice, and so on. We spin out of control. Already this year -- storms, temperatures -- everything is off the charts.

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