141 Quotes by James Hansen

It would be immoral to leave young people with a climate system spiraling out of control.

To be playing in a threesome with Neil Armstrong and Clint Eastwood was pretty incredible, ... For Peggy and I to be part of that was pretty heady stuff.

The evidence for human-made climate change is overwhelming.

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.

The climate system is being pushed hard enough that change will become obvious to the man in the street in the next decade.

We are on the precipice of climate system tipping points beyond which there is no redemption.

What really won that (decision in favor of Groton) was Rob Simmons, ... He did a phenomenal job.

How long have we got? We have to stabilize emissions of carbon dioxide within a decade, or temperatures will warm by more than one degree... We don't have much time left.

What is frustrating people, me included, is that democratic action affects elections but what we get then from political leaders is greenwash.