The biggest challenge is how to affect public attitudes and make people care.

Preserving a river or a creek can bring a lot of revenue.

There's no denying that television is one of the most powerful propaganda media we've ever invented.

Johnny Carson started the jokes about me and Marlin in his monologues.

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

I don't think we're going to save anything if we go around talking about saving plants and animals only; we've got to translate that into what's in it for us.

I always said it was to be dumb enough to do what Marlon Perkins said to do.