James Hansen
James Hansen
James Edward Hansenis an American adjunct professor in the Department of Earth and Environmental Sciences at Columbia University. He is best known for his research in climatology, his 1988 Congressional testimony on climate change that helped raise broad awareness of global warming, and his advocacy of action to avoid dangerous climate change. In recent years he has become a climate activist to mitigate the effects of climate change, on a few occasions leading to his arrest...
NationalityAmerican
ProfessionScientist
Date of Birth29 March 1941
CountryUnited States of America
Earth is warmer in 1988 than at any time in the history of instrumental measurements, The warming of a few degrees is going to take us to a world that is perhaps as different from today as the last ice age is from today.
I think this is a more optimistic assessment of the chances for keeping climate change moderate in the next 50 years, and the way to do that is to focus on stopping the growth of several gases, ... Global Warming in the 21st Century: An Alternative Scenario.
It is an important study that increases our confidence that there is a link between global warming and intense tropical storms.
The most difficult task, phase-out over the next 20-25 years of coal use that does not capture CO₂, is Herculean, yet feasible when compared with the efforts that went into World War II. The stakes, for all life on the planet, surpass those of any previous crisis. The greatest danger is continued ignorance and denial, which could make tragic consequences unavoidable.
Global warming isn't a prediction. It is happening.
As you get more global warming, you should see an increase in the extremes of the hydrological cycle - droughts and floods and heavy precipitation.
We're running out of time.
In California, they are beginning to require much cleaner fuels for transportation vehicles, ... That kind of thing could go a long way in reducing pollutants.
In a way it's kind of my own moon landing, ... It's hard to top this. I don't think I can top it.
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.
I made the vote predicated on what I thought was right.
I'm probably the hardest head of the bunch (of nine commissioners),
What really won that (decision in favor of Groton) was Rob Simmons, ... He did a phenomenal job.
What is frustrating people, me included, is that democratic action affects elections but what we get then from political leaders is greenwash.