Birds are indicators of the environment. If they are in trouble, we know we'll soon be in trouble.

Much of the debate over global warming is predicated on fear, rather than science.

The environment is everything that isn't me.

People blame their environment. There is only one person to blame - and only one - themselves.

No one should be able to enter a wilderness by mechanical means.

We won't have a society if we destroy the environment.

The only way forward, if we are going to improve the quality of the environment, is to get everybody involved.

I can find God in nature, in animals, in birds and the environment.

Unless we keep this planet healthy, everything else is for naught.

I think the cost of energy will come down when we make this transition to renewable energy.