| 2010 |
The American Experience: Earth Days
Season 22, Episode 5 |
Episode, Appearing |
| 2009 |
Earth Days |
Movie, Actor |
| 2009 |
ABC News Special |
TV Show Series, Remarks by |
| 2004 |
Think Tank: How Should Humanity Prosper? |
Episode, Guest |
| 2004 |
Uncommon Knowledge: Time Has Come Today |
Episode, Guest |
| 2003 |
Uncommon Knowledge: The Population Bomb Redux: Is Population Growth a Problem? |
Episode, Guest |
| 2001 |
Uncommon Knowledge: Episode |
Episode, Guest |
| 2001 |
Uncommon Knowledge: Episode |
Episode, Guest |