Instead of controlling the environment for the benefit of the population, perhaps we should control the population to ensure the survival of our environment

Many individuals are doing what they can. But real success can only come if there is a change in our societies and in our economics and in our politics.

You know, it is a terrible thing to appear on television, because people think that you actually know what you're talking about.

Fundamentally not to waste energy. If we were all to reduce our demands for energy, it would make an enormous amount of difference.

If I can bicycle, I bicycle.

No one will protect what they don't care about, and no one will care about what they have never experienced.

There is no question that climate change is happening; the only arguable point is what part humans are playing in it.