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The forcings that drive long-term climate change are not known with an accuracy sufficient to define future climate change.
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
Climate
Term
Known
Future
Change
Accuracy
Long
Define
Sufficient
Drive
More quotes by James Hansen
The urgency derives from the nearness of climate tipping points.
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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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I was lucky to grow up at a time when it was not difficult for the child of a tenant farmer to make his way to the state university.
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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 carbon emissions from tar shale and tar sands would initiate a continual unfolding of climate disasters over the course of this century. We would be miserable stewards of creation. We would rob our own children and grandchildren.
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Some Democrats deserve to be criticized.
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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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A level of no more than 350 ppm is still feasible, with the help of reforestation and improved agricultural practices, but just barely - time is running out.
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It would be immoral to leave young people with a climate system spiraling out of control.
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Money has too big an influence on our politics in Washington and somehow we need to do something about that.
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CEOs of fossil energy companies know what they are doing and are aware of long-term consequences of continued business as usual. In my opinion, these CEOs should be tried for high crimes against humanity and nature.
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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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Well, you know what happens to crime when the heat goes up.
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Planet Earth, creation, the world in which civilization developed, the world with climate patterns that we know and stable shorelines, is in imminent peril.
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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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What we are doing to the future of our children, and the other species on the planet, is a clear moral issue.
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We have to, in the next ten years, begin to decrease the rate of carbon dioxide emissions and then flatten it out. If that doesn't happen in ten years, we're going to be passing certain tipping points. If the ice sheets begin to disintegrate, what can you do about it? You can't tie a rope around an ice sheet.
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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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The five warmest years over the last century occurred in the last eight years.
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Recent warming coincides with rapid growth of human-made greenhouse gases. The observed rapid warming gives urgency to discussions about how to slow greenhouse gas emissions.
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