Filmmaker Michael Nash investigates mass migration caused by our changing climate.
| Year | 2010 |
| Country |
USA |
| Director |
Michael P. Nash |
| Casting |
Lester Brown, Yvo de Boer, Paul Ehrlich, Newt Gingrich, Al Gore, John Kerry, Bert Metz, Barack Obama, Nancy Pelosi, Bill Ritter, Ken Salazar, Stephen Schneider, Achim Steiner, Desmond Tutu |
| Genre |
Documentary |
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