I don't really consider this a political issue, I consider it to be a moral issue.

I doubt nuclear power will play a much larger role than it does now.

Adopting a central organizing principle means embarking on an all-out effort to use every policy and program, every law and institution, to halt the destruction of the environment.

Feb. 9, 1999 Dear Friend, Without your previous support, Bill Clinton and I would not have won our victories for the American people in 1992 and 1996. ... And to win in 2000, I need you by my side.

This is by far the most serious crisis civilisation has ever faced.

Unless we stop dumping 70 million tons of global warming pollution into the atmosphere every 24 hours, which we are doing right now ... the continued acceleration of this pollution would destroy the future of human civilization.

Tobacco addiction sinks its claws in deeply, it's just as powerful of [sic] an addiction as heroin or crack cocaine.