The big threat to the planet is people: there are too many, doing too well economically and burning too much oil.

Those who fail to see that population growth and climate change are two sides of the same coin are either ignorant or hiding from the truth. These two huge environmental problems are inseparable and to discuss one while ignoring the other is irrational.

Our future is like that of the passengers on a small pleasure boat sailing quietly above the Niagara Falls, not knowing that the engines are about to fail.

I have heard that the Saudi Arabians are paying Greenpeace to campaign against Nuclear Power. It wouldn't surprise me at all.

China will soon emit more greenhouse gases than America, but its regime knows if it caps aspirations there will be a revolution.

Civilization in its present form hasn't got long.

Sadly, it's much easier to create a desert than a forest.