LiveScience: Prominent climate scientist James Hansen has been warning that humans have brought the planet to a tipping point, after which changes, such as melting ice, can pick up momentum with potentially devastating effects. At a discussion today (Oct. 11), Hansen suggested society has reached its own tipping point. "We are at a fork in the road. We can either continue with business as usual and addiction to fossil fuels, or we can put an honest price on carbon that makes fossil fuels pay their cost...
URL: http://www.huffingtonpost.com/2012/10/11/james-hansen-climate-change-carbon_n_1959268.html?utm_hp_ref=green
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