IMDbMovieThe Doubt Machine: Inside the Koch Brothers' War on Climate Science2016•29m•DocumentaryNarrated 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 castDetailsMore like this7.5144 votesIMDb 8.340 votesIMDb 7992 votesIMDb 7.297 votesIMDb 5.851 votesIMDb 6.447 votesIMDb 7.4119 votesIMDb 7164 votesIMDb 7.167 votesIMDb 6.2159 votesIMDb 7.944 votesIMDb 854 votesIMDb