The Doubt Machine: Inside the Koch Brothers' War on Climate Science
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/5/5a/Emma_Thompson_at_2013_TIFF_1_%28cropped%29.jpg/220px-Emma_Thompson_at_2013_TIFF_1_%28cropped%29.jpg)
The Doubt Machine: Inside the Koch Brothers' War on Climate Science is a 2016 documentary short about Koch Industries and its efforts to discredit climate research.[1] Released by The Real News Network on October 31, it was narrated by actress Emma Thompson.[2]
References
[edit]- ^ "The Doubt Machine: Inside The Koch Brothers' War on Climate Science". Greenville Post. Retrieved 3 May 2019.
- ^ "The Doubt Machine: Inside the Koch Brothers' War on Climate Science". The Real News Network. Retrieved 2 November 2016.