Preserving a river or a creek can bring a lot of revenue.
There's no country in the world that's more devastated from natural resources than Afghanistan.
I'm a little different from all those conservation types.
The continued existence of wildlife and wilderness is important to the quality of life of humans. Our challenge for the future is that we realize we are very much a part of the earth's ecosystem, and we must learn to respect and live according to the basic biological laws of nature.
That's really the challenge of this century, to develop spokespeople.
Sooner or later we've got to tie the saving of the natural world to our own public welfare.