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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.
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
States
Farmers
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Grow
Time
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Child
Tenant
State
Tenants
Difficult
Farmer
More quotes by James Hansen
As a government employee, you can't testify against the government.
James Hansen
It would be immoral to leave young people with a climate system spiraling out of control.
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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-year mean global temperature has been flat for the last decade
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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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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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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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Money has too big an influence on our politics in Washington and somehow we need to do something about that.
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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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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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The five warmest years over the last century occurred in the last eight years.
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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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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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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 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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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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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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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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Well, you know what happens to crime when the heat goes up.
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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.
James Hansen
