New Book Examines Efforts To Discredit Evidence Of Global Warming
June 7, 2010 10:50 a.m.
The vast majority of climate scientists agree that global warming is happening and has been for some time. So why do millions of Americans still doubt the evidence of global climate change? We speak to Naomi Oreskes about her new book "Merchants of Doubt: How a Handful of Scientists Obscured the Truth on Issues from Tobacco Smoke to Global Warming."