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James Hansen's Profile

Brief about James Hansen: By info that we know James Hansen was born at 1941-03-29. And also James Hansen is American Scientist.

Some James Hansen's quotes. Goto "James Hansen's quotation" section for more.

You can't tie a rope around the ice sheet. You can't build a wall around the ice sheets.

Tags: Build, Ice, Wall

You have no time to do the science if you're talking to the media.

Tags: Science, Talking, Time

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.

Tags: After, Change, Give

Being at NASA and having the access to both computing capability and satellite observation capability is kind of the ideal research situation to try to understand global climate change.

Tags: Change, Try, Understand

Coal is responsible for as much atmospheric carbon dioxide as other fossil fuels combined and it still has far greater reserves. We must stop using it.

Tags: Far, Greater, Stop

Consider the perverse effect cap and trade has on altruistic actions. Say you decide to buy a small, high-efficiency car. That reduces your emissions, but not your country's. Instead it allows somebody else to buy a bigger S.U.V. - because the total emissions are set by the cap.

Tags: Car, Country, Small

I have been described as the grandfather of climate change. In fact, I am just a grandfather and I do not want my grandchildren to say that grandpa understood what was happening but didn't make it clear.

Tags: Change, Clear, Fact

If your child gets asthma, the fossil fuel industry doesn't pay. Or if there's a natural disaster, the bill is paid by the taxpayer, not the fossil fuel company.

Tags: Child, Company, Natural

On a per capita basis, Britain is responsible for more of the carbon dioxide now in the atmosphere than any other nation on Earth because it has been burning it from the dawn of the Industrial Revolution.

Tags: Earth, Nation, Revolution

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.

Tags: Growth, Recent, Slow

Scientists will say we can't blame global warming for any single event. In a sense that's right, but the fact that the frequency and intensity of these events is increasing you can blame on global warming.

Tags: Blame, Sense, Single

Several times in Earth's history, rapid global warming occurred, apparently spurred by amplifying feedbacks. In each case, more than half of plant and animal species became extinct. New species came into being over tens and hundreds of thousands of years. But these are time scales and generations that we cannot imagine.

Tags: Cannot, History, Time

Tipping points are so dangerous because if you pass them, the climate is out of humanity's control: if an ice sheet disintegrates and starts to slide into the ocean there's nothing we can do about that.

Tags: Control, Dangerous, Humanity

We need to send a message to Congress and the president that we want them to take the actions that are needed to preserve climate for young people and future generations and all life on the planet.

Tags: Future, Life, Young

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 to burning coal in your automobile.

Tags: End, Energy, Poor

With a fourth generation of nuclear power, you can have a technology that will burn more than 99 percent of the energy in the fuel. It would mean that you don't need to mine uranium for the next thousand years.

Tags: Mean, Power, Technology

You can't turn on your television without seeing these advertisements about clean coal, clean tar sands and the claim that there's more jobs associated with fossil fuels than other industries. That's of course not true. But they're hammering that into the voters' heads.

Tags: Television, True, Turn

I tend to be naive and gullible, I guess, but I try to believe that governments believe what they say.

Tags: Guess, Naive, Try

Adding CO2 to the air is like throwing another blanket on the bed.

Tags: Air, Another, Bed

As a government employee, you can't testify against the government.

Tags: Against, Employee, Government

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