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In view of the immense power of natural weather and climate fluctuations and the great buffering capacity of the Earth, especially the ocean, it is easy to be skeptical about whether small anthropogenic changes of atmospheric composition can have important practical impacts.

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
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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 fact is fossil fuel carbon will stay in the surface climate system for millennia.
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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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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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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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Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels.
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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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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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Politicians think that if matters look difficult, compromise is a good approach. Unfortunately, nature and the laws of physics cannot compromise - they are what they are.
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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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The forcings that drive long-term climate change are not known with an accuracy sufficient to define future climate change.
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As a government employee, you can't testify against the government.
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