The five warmest years over the last century occurred in the last eight years. — James Hansen Copy Share Image
The five-year mean global temperature has been flat for the last decade — 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
It would be immoral to leave young people with a climate system spiraling out of control. — 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
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
...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
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
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
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
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
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
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 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
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
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
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
We're handing them [young people & future generations] a climate system which is potentially out of their control. We're in an emergency:… — James Hansen Copy Share Image
In view of the immense power of natural weather and climate fluctuations and the great buffering capacity of the Earth, especially the… — James Hansen Copy Share Image
Only in the last few years did the science crystallize, revealing the urgency - our planet really is in peril. If we… — 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
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
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
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
Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels. — James Hansen Copy Share Image
The last time the world was three degrees warmer than today-which is what we expect later this century-sea levels were 25m higher.… — James Hansen Copy Share Image
The five-year mean global temperature has been flat for the last decade, which we interpret as a combination of natural variability and… — James Hansen Copy Share Image
We have known since the 1800s that carbon dioxide traps heat in the atmosphere. The right amount keeps the climate conducive to… — James Hansen Copy Share Image
Goals and caps on carbon emissions are practically worthless, if coal emissions continue, because of the exceedingly long lifetime of carbon dioxide… — James Hansen Copy Share Image
...the global surface albedo [surface whiteness] and greenhouse gas changes account for practically the entire global climate change. — James Hansen Copy Share Image
Global warming has already triggered a sea level rise that could reach from 6 metres (19.69 ft) to 25 metres (27.34 yards). — James Hansen Copy Share Image
The climate system is being pushed hard enough that change will become obvious to the man in the street in the next… — James Hansen Copy Share Image
As species are exterminated by shifting climate zones, ecosystems can collapse, destroying more species. — James Hansen Copy Share Image
We have at most ten years—not ten years to decide upon action, but ten years to alter fundamentally the trajectory of global… — James Hansen Copy Share Image
After spending three or four years interacting with the Bush administration, I realized they were not taking any actions to deal with… — 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 Image
The five-year mean global temperature has been flat for the last decade — 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. It's equivalent… — 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
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 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
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 Image
Rising carbon price is essential to 'decarbonize' the economy - to remove the nation towards the era beyond fossil fuels. — 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 misinformation spawned… — 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 change], yet… — James Hansen Copy Share Image
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 Image
![“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/quotes/img-quotes/ca3/james-hansen-7143_asteroids_imagine-a-giant-asteroid-on-a-direct-col_643017.jpg)
![“We're handing them [young people & future generations] a climate system which is potentially out of their control. We're in an emergency: you can see what's on the horizon over the next few decades with the effects it will have on ecosystems, sea level and species extinction” quote by James Hansen](https://sms4smile.com/quotes/img-quotes/1bc/james-hansen-7143_climate_we-re-handing-them-young-people-future-g_1485882.jpg)
![“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/quotes/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/quotes/img-quotes/9f5/james-hansen-7143_analysis_our-analysis-shows-that-for-the-extreme_1947281.jpg)
![“...the global surface albedo [surface whiteness] and greenhouse gas changes account for practically the entire global climate change.” quote by James Hansen](https://sms4smile.com/quotes/img-quotes/34b/james-hansen-7143_accounts_the-global-surface-albedo-surface-whiten_1246456.jpg)
