Director/a
Adolfo Doring
DIRECTOR/A
Reparto (por orden de créditos)
Richard Heinberg
Self - Journalist, Educator
Lester Brown
Self - Founder: Earth Policy Instutute
Ted Caplow
Self - Mechanical & Environmental Engineer
William R. Catton
Self - Professor Emeritus of Sociology
Roscoe Bartlett
Self - 7 Term Representative for the State of Maryland
Albert Bartlett
Self - Prof. Emeritus of Physics: U of Colorado, Boulder
Joseph Tainter
Self - Anthropologist, Historian
David Pimentel
Self - Global Agriculturist
Max Wolff
Self - Economist: GPIA New School University
Matthew David Savinar
Self - Lawyer
Terry Tamminen
Self - Former Head of the California EPA
Jason Bradford
Self - Evolutionary Biologist
Bill McKibben
Self - Environmentalist
James Hansen
Self - Physicist, Astronomer
Elke Weber
Self - Professor of Psychology and Management
Derrick Jensen
Self - Activist
David Korten
Self - Psychology and Behavioral Systems
Kenneth Deffeyes
Self - Geologist, Professor Emeritus Princeton University
Mary Anne Hitt