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Trailer
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Diễn viên
Esraa Bani
Herself (Population Action International)
Albert Bartlett
Himself - Host
Lester Brown
Himself (Earth Policy Institute)
Martha Campbell
Herself (Venture Strategies)
Susan Davis
Herself (BRAC)
Brian Dixon
Himself (Population Connection)
Paul R. Ehrlich
Himself - Host
Riane Eisler
Herself (Center for Partnership Studies)
Katie Elmore Mota
Herself (Population Media Center)
John Feeney
Himself (Environmental writer)
Sara Morello
Herself
Malcolm Potts
Himself (University of California at Berkeley)
