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

Somali is turning into a desert. Rwanda, you can hardly find a place to plant a potato, it's so crowded.

There's no country in the world that's more devastated from natural resources than Afghanistan.

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.

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.

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

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