James Hansen arrested in WV coal mining protest: "NASA's chief climatologist James Hansen was among 31 protesters arrested on Tuesday in a civil protest against mountaintop-removal coal mining in West Virginia.
Hansen has been outspoken about carbon dioxide emissions and climate change since 1981. He has a reputation in the scientific community for having accurately predicted climate patterns since then. Last fall Hansen calculated that a 'safe' level of CO2 is 350 parts per million. Because CO2 concentrations now average 385 ppm worldwide, achieving the safe level requires rolling back emissions very sharply. Hansen says it can only be done by closing all coal-burning power plants within 20 years."
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