What we are doing to the future of our children, and the other species on the planet, is a clear moral issue. — James Hansen Copy Share Image
Coal is the single greatest threat to civilization and all life on our planet. — 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
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
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
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
Burning all the fossil fuels will destroy the planet we know, Creation, the planet of stable climate in which civilization developed. — 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
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
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
We have at most ten years - not ten years to decide upon action, but ten years to alter fundamentally the trajectory… — 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… — 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/quotes/i/4b3/james-hansen-7143_adapted_if-humanity-wishes-to-preserve-a-planet_1183760.jpg)
