James Hansen: Why I must speak out about climate change

James Hansen clearly states what is the extent of the damages to the earth from the use of fossil fuels.

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Tags: Carbon Dioxide, Carbon Fees and Dividends, Censorship, changing energy paradigm, Earth Climate Observation, Effects on the Next Generations, Global warming, Greenhouse effect, Heat Waves, James Hansen, long-term repercussions, Melting Ice Sheets, NASA, President Bush, Rising Water Levels, University of Iowa