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

We're running out of time.

Burning all the fossil fuels will destroy the planet we know, Creation, the planet of stable climate in which civilization developed.

...99 percent confident that the world really was getting warmer and that there was a high degree of probability that it was due to human-made greenhouse gases.

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.

The question is not whether to close the parks, but how to accomplish this goal.

We have to, in the next ten years, begin to decrease the rate of carbon dioxide emissions and then flatten it out. If that doesn't happen in ten years, we're going to be passing certain tipping points. If the ice sheets begin to disintegrate, what can you do about it? You can't tie a rope around an ice sheet.