| Movie | The Great Squeeze: Surviving the Human Project | 2009 |
| Movie | Mother: Caring for 7 Billion | 2011 |
| Movie | Energy Crossroads | 2007 |
| Movie | Energy Crossroads | 2007 |
| Movie | The Great Squeeze: Surviving the Human Project | 2009 |
| Movie | Mother: Caring for 7 Billion | 2011 |