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The evidence for human-made climate change is overwhelming.

James Hansen

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James Hansen
Age: 83
Born: 1941
Born: March 29
Astrophysicist
Environmentalist
Physicist
Professor
University Teacher
Denison
Iowa
James Hansen
James E. Hansen
James E Hansen
J. E. Hansen
J E Hansen
J. Hansen
J Hansen
Hansen
Hansen J
Hansen J.
Hansen J. E.
Hansen JE
Jim Hansen
Made
Overwhelming
Climate
Evidence
Change
Human
Humans

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The urgency derives from the nearness of climate tipping points.
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'Cap and trade' generates special interests, lobbyists, and trading schemes, yielding non-productive millionaires, all at public expense. The public is fed up with such business. Tax with 100% dividend, in contrast, would spur our economy, while aiding the disadvantaged, the climate, and our national security.
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The trains carrying coal to power plants are death trains. Coal-fired power plants are factories of death.
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The five warmest years over the last century occurred in the last eight years.
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The last time the world was three degrees warmer than today-which is what we expect later this century-sea levels were 25m higher. So that is what we can look forward to if we don't act soon.
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Adding CO2 to the air is like throwing another blanket on the bed.
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The greatest danger hanging over our children and grandchildren is initiation of changes that will be irreversible on any time scale that humans can imagine.
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The five-year mean global temperature has been flat for the last decade
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It would be immoral to leave young people with a climate system spiraling out of control.
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How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more than one degree... We don't have much time left.
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I tend to be naive and gullible, I guess, but I try to believe that governments believe what they say.
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...chief executives of large fossil fuel companies to [should] be put on trial for high crimes against humanity and nature [Hansen] accusing them of actively spreading doubt about global warming in the same way that tobacco companies blurred the links between smoking and cancer.
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As a government employee, you can't testify against the government.
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Scientists will say we can't blame global warming for any single event. In a sense that's right, but the fact that the frequency and intensity of these events is increasing you can blame on global warming.
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Several times in Earth's history, rapid global warming occurred, apparently spurred by amplifying feedbacks. In each case, more than half of plant and animal species became extinct. New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine.
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Some Democrats deserve to be criticized.
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If we fail to act, we will end up with a different planet.
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I think we have a very brief window of opportunity to deal with climate change. No longer than a decade at most.
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Well, you know what happens to crime when the heat goes up.
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The fact is fossil fuel carbon will stay in the surface climate system for millennia.
James Hansen