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
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
Coral reefs, the rain forest of the ocean, are home for one-third of the species of the sea. Coral reefs are under… — 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
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
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
We have to, in the next ten years, begin to decrease the rate of carbon dioxide emissions and then flatten it out.… — James Hansen Copy Share Image
On a per capita basis, Britain is responsible for more of the carbon dioxide now in the atmosphere than any other nation… — 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
