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If we fail to act, we will end up with a different planet.

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
Protection
Fail
Planet
Motivation
Planets
Failing
Ends
Different

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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 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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Well, you know what happens to crime when the heat goes up.
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The five warmest years over the last century occurred in the last eight years.
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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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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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Adding CO2 to the air is like throwing another blanket on the bed.
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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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If we drive our fellow species to extinction, we will leave a far more desolate planet for our descendants than the world we inherited from our elders.
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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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...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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The trains carrying coal to power plants are death trains. Coal-fired power plants are factories of death.
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We are on the precipice of climate system tipping points beyond which there is no redemption.
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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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I tend to be naive and gullible, I guess, but I try to believe that governments believe what they say.
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'Goals' and 'caps' on carbon emissions are practically worthless, if coal emissions continue, because of the exceedingly long lifetime of carbon dioxide in the air.
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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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Some Democrats deserve to be criticized.
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We have known since the 1800s that carbon dioxide traps heat in the atmosphere. The right amount keeps the climate conducive to human life.
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The five-year mean global temperature has been flat for the last decade
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