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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.

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
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Hansen
Hansen J
Hansen J.
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Jim Hansen
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More quotes by James Hansen

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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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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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'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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Only in the last few years did the science crystallize, revealing the urgency - our planet really is in peril. If we do not change course soon, we will hand our children a situation that is out of their control.
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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 forcings that drive long-term climate change are not known with an accuracy sufficient to define future climate change.
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Well, you know what happens to crime when the heat goes up.
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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 5-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and a slow down in the growth rate of net climate forcing.
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If we fail to act, we will end up with a different planet.
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Because cap and trade is enforced through the selling and trading of permits, it actually perpetuates the pollution it is supposed to eliminate.
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It would be immoral to leave young people with a climate system spiraling out of control.
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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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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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I tend to be naive and gullible, I guess, but I try to believe that governments believe what they say.
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Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels.
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The five warmest years over the last century occurred in the last eight years.
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