The fact is fossil fuel carbon will stay in the surface climate system for millennia. James Hansen carbonclimatefact Change image and share on social
Recent warming coincides with rapid growth of human-made greenhouse gases. The observed rapid warming gives urgency to discussions about how to slow greenhouse gas emissions. James Hansen coincidediscussionemission Change image and share on social
The evidence for human-made climate change is overwhelming. James Hansen changeclimateevidence Change image and share on social
You have no time to do the science if you're talking to the media. James Hansen mediumsciencetalk Change image and share on social
After spending three or four years interacting with the Bush administration, I realized they were not taking any actions to deal with climate change. So, I decided to give one talk, and then it snowballed into another talk and eventually to even protesting and getting arrested. James Hansen actionadministrationarrest share on social
Global warming isn't a prediction. It is happening. James Hansen globalhappenprediction Change image and share on social
The United States did not sign Kyoto, yet its emissions are not that different from the countries that did sign it. James Hansen countryemissionkyoto Change image and share on social
We have known since the 1800s that carbon dioxide traps heat in the atmosphere. The right amount keeps the climate conducive to human life. James Hansen 1800samountatmosphere Change image and share on social
I was lucky to grow up at a time when it was not difficult for the child of a tenant farmer to make his way to the state university. James Hansen childdifficultfarmer Change image and share on social
Jail threats did not dissuade Martin Luther King - and intergenerational justice is a moral issue of comparable magnitude to civil rights. James Hansen civilcomparabledissuade Change image and share on social