Reparto (20)
Esraa BaniHerself (Population Action International)Albert BartlettHimself - HostLester BrownHimself (Earth Policy Institute)Martha CampbellHerself (Venture Strategies)Susan DavisHerself (BRAC)Brian DixonHimself (Population Connection)
Paul R. EhrlichHimself - HostRiane EislerHerself (Center for Partnership Studies)
Katie Elmore MotaHerself (Population Media Center)John FeeneyHimself (Environmental writer)Sara MorelloHerselfMalcolm PottsHimself (University of California at Berkeley)William N. RyersonHimself (Population Media Center)Peter SawtellHimself (Eco-Justice Ministries)Laura S. ScottHerself (author of Two Is Enough)Negussie TefferaHimself (Population Media Center)Aminata ToureHerself (United Nations Population Fund)Mathis WackernagelHimself (Global Footprint Network)Lyuba ZarskyHerself (Monterey Institute of International Studies)Robert WalkerHimself (Population Institute)