I'm a little different from all those conservation types.

I had travelled pretty widely around the world even before then, so I knew where to go to film wildlife.

The most powerful argument of all for saving open space is economics; in most states, tourism is the number two industry.

My father was a soil scientist with the Geological Survey.

I'm a little different from all those conservation types.

The quicker we humans learn that saving open space and wildlife is critical to our welfare and quality of life, maybe we'll start thinking of doing something about it.

Sooner or later we've got to tie the saving of the natural world to our own public welfare.