Guests

Senator William Soules

1 Episode

Doctor Ken Stanley

2 Episodes

Doctor Sandra Steingraber

1 Episode

David Suzuki

1 Episode

Halla Tomasdottir

1 Episode

Doctor Clyde Tombaugh

2 Episodes

Don Tripp

2 Episodes

Stewart Udall

3 Episodes

Senator Tom Udall

3 Episodes

Don Usner

1 Episode