It's as certain that as long as fossil fuels are the cheapest energy, we will just keep burning them. — James Hansen Copy Share Image
The five warmest years over the last century occurred in the last eight years. — James Hansen Copy Share Image
The fact is fossil fuel carbon will stay in the surface climate system for millennia. — James Hansen Copy Share Image
The five-year mean global temperature has been flat for the last decade — James Hansen Copy Share Image
...99 percent confident that the world really was getting warmer and that there was a high degree of probability that it was… — James Hansen Copy Share Image
Being at NASA and having the access to both computing capability and satellite observation capability is kind of the ideal research situation… — James Hansen Copy Share Image
What has become clear from the science is that we cannot burn all of the fossil fuels without creating a very different… — James Hansen Copy Share Image
If your child gets asthma, the fossil fuel industry doesn't pay. Or if there's a natural disaster, the bill is paid by… — James Hansen Copy Share Image
Policy decisions on climate change are being deliberated every day by those without full knowledge of the science, and often with intentional… — James Hansen Copy Share Image
Coal is responsible for as much atmospheric carbon dioxide as other fossil fuels combined and it still has far greater reserves. We… — James Hansen Copy Share Image
As you get more global warming, you should see an increase in the extremes of the hydrological cycle - droughts and floods… — James Hansen Copy Share Image
I think we have a very brief window of opportunity to deal with climate change... no longer than a decade, at the… — James Hansen Copy Share Image
With a fourth generation of nuclear power, you can have a technology that will burn more than 99 percent of the energy… — James Hansen Copy Share Image
The climate is nearing tipping points. Changes are beginning to appear and there is a potential for explosive changes, effects that would… — James Hansen Copy Share Image
Cap and trade generates special interests, lobbyists, and trading schemes, yielding non-productive millionaires, all at public expense. The public is fed up… — James Hansen Copy Share Image
The climate dice are now loaded. Some seasons still will be cooler than the long-term average, but the perceptive person should notice… — James Hansen Copy Share Image
“the nearness of climate tipping points, beyond which climate dynamics can cause rapid changes out of humanity’s control. Tipping points occur because… — James Hansen Copy Share Image
It has become very difficult for anyone to argue that observed global warming is natural variability. We have good reason for being… — James Hansen Copy Share Image
You can't turn on your television without seeing these advertisements about clean coal, clean tar sands and the claim that there's more… — James Hansen Copy Share Image
CEOs of fossil energy companies know what they are doing and are aware of long-term consequences of continued business as usual. In… — James Hansen Copy Share Image
If humanity wishes to preserve a planet similar to that on which civilisation developed and to which life on Earth is adapted,… — James Hansen Copy Share Image
Our analysis shows that, for the extreme hot weather of the recent past, there is virtually no explanation other than climate change.… — James Hansen Copy Share Image
We are on the precipice of climate system tipping points beyond which there is no redemption. — James Hansen Copy Share Image
There is still time to act and avoid a worsening climate, but we are wasting precious time, — James Hansen Copy Share Image
It would be immoral to leave young people with a climate system spiraling out of control. — James Hansen Copy Share Image
I have been described as the grandfather of climate change. In fact, I am just a grandfather and I do not want… — James Hansen Copy Share Image
Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now [with climate… — James Hansen Copy Share Image
What makes tar sands particularly odious is that the energy you get out in the end, per unit carbon dioxide, is poor.… — James Hansen Copy Share Image
How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more… — James Hansen Copy Share Image
If we drive our fellow species to extinction, we will leave a far more desolate planet for our descendants than the world… — James Hansen Copy Share Image
We need to send a message to Congress and the president that we want them to take the actions that are needed… — James Hansen Copy Share Image
The United States did not sign Kyoto, yet its emissions are not that different from the countries that did sign it. — James Hansen Copy Share Image
Because cap and trade is enforced through the selling and trading of permits, it actually perpetuates the pollution it is supposed to… — James Hansen Copy Share Image
Planet Earth, creation, the world in which civilization developed, the world with climate patterns that we know and stable shorelines, is in… — James Hansen Copy Share Image
Recent warming coincides with rapid growth of human-made greenhouse gases. The observed rapid warming gives urgency to discussions about how to slow… — James Hansen Copy Share Image
The trains carrying coal to power plants are death trains. Coal-fired power plants are factories of death. — James Hansen Copy Share Image
What is frustrating people, me included, is that democratic action affects elections but what we get then from political leaders is greenwash. — James Hansen Copy Share
What makes tar sands particularly odious is that the energy you get out in the end, per unit carbon dioxide, is poor. It's equivalent… — James Hansen Copy Share
We are on the precipice of climate system tipping points beyond which there is no redemption. — James Hansen Copy Share
Jail threats did not dissuade Martin Luther King - and intergenerational justice is a moral issue of comparable magnitude to civil rights. — James Hansen Copy Share
The United States did not sign Kyoto, yet its emissions are not that different from the countries that did sign it. — James Hansen Copy Share
The five-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and a slow… — James Hansen Copy Share
Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels. — James Hansen Copy Share
Policy decisions on climate change are being deliberated every day by those without full knowledge of the science, and often with intentional misinformation spawned… — James Hansen Copy Share
Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now [with climate change], yet… — James Hansen Copy Share
The most difficult task, phase-out over the next 20-25 years of coal use that does not capture COâ‚‚, is Herculean, yet feasible when compared… — James Hansen Copy Share
As species are exterminated by shifting climate zones, ecosystems can collapse, destroying more species. — James Hansen Copy Share
I think we have a very brief window of opportunity to deal with climate change... no longer than a decade, at the most. — James Hansen Copy Share
The climate system is being pushed hard enough that change will become obvious to the man in the street in the next decade. — James Hansen Copy Share
![“If humanity wishes to preserve a planet similar to that on which civilisation developed and to which life on Earth is adapted, paleoclimate evidence and ongoing climate change suggest that CO₂ will need to be reduced from its current 385 ppm [parts per million] to at most 350 ppm... If the present…” quote by James Hansen](https://sms4smile.com/q/img-quotes/4b3/james-hansen-7143_adapted_if-humanity-wishes-to-preserve-a-planet_1183760.jpg)
![“Our analysis shows that, for the extreme hot weather of the recent past, there is virtually no explanation other than climate change. The deadly European heat wave of 2003, the fiery Russian heat wave of 2010 and catastrophic droughts in Texas and Oklahoma last year [2011] can each be attributed…” quote by James Hansen](https://sms4smile.com/q/img-quotes/9f5/james-hansen-7143_analysis_our-analysis-shows-that-for-the-extreme_1947281.jpg)
![“Imagine a giant asteroid on a direct collision course with Earth. That is the equivalent of what we face now [with climate change], yet we dither.” quote by James Hansen](https://sms4smile.com/q/img-quotes/ca3/james-hansen-7143_asteroid_imagine-a-giant-asteroid-on-a-direct-col_643017.jpg)
