141 Quotes by James Hansen

I was ready to do a biography, ... But obviously, I was challenged by the daunting prospect of getting him to do it. I had no real confidence. There was nothing about my approach that I thought would convince him.

The trains carrying coal to power plants are death trains. Coal-fired power plants are factories of death.

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

The five warmest years over the last century occurred in the last eight years.

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.

Only in the last few years did the science crystallize, revealing the urgency - our planet really is in peril. If we do not change course soon, we will hand our children a situation that is out of their control.

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.

Planet Earth, creation, the world in which civilization developed, the world with climate patterns that we know and stable shorelines, is in imminent peril.

We can't afford to wait another 10 years.