Scientists will say we can't blame global warming for any single event. In a sense that's right, but the fact that the… — 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
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
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
As species are exterminated by shifting climate zones, ecosystems can collapse, destroying more species. — 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 most. — 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 decade. — James Hansen Copy Share Image
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