Quote by James Hansen
"We must distinguish between what is politically possible and what is physically necessary."
More from James Hansen
"We are at a fork in the road. One path leads to a low-carbon future, the other to a catastrophic one."
"The great tragedy of the climate crisis is that the mainstream media has failed the public."
"If we burn all the fossil fuels, we will destroy the planet we know."
"The right to survive is the most fundamental human right."