Academic study finds Exxon Mobil misled on climate change
Clip: 08/23/2017 | 7m 6s
Exxon Mobil has been criticized for allegedly hiding what it knew about the perils of climate change. Now researchers from Harvard University have published a study alleging that the oil and gas giant tried to systematically mislead the public about climate change for 40 years. William Brangham learns more from science correspondent Miles O’Brien.
Aired: 08/23/17Video has closed captioning.
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