The Doubt Machine: Inside the Koch Brothers' War on Climate Science

Plot Summary

Narrated by two-time Oscar winner Emma Thompson, this documentary exposes how two of America's richest citizens, Charles and David Koch, built a vast apparatus to deny the science of climate change and get Republicans elected to office.

Top Cast

Emma Thompson Narrator (voice)

Charlie Cray Self - Senior Researcher, Greenpeace USA (as Charlie Gray)

Robert Maguire Self - Investigator, Center for Responsive Politics

Michael E. Mann Self - Climatologist, Penn State

Jane Mayer Self - Journalist (as Jane Meyer)