Like the tobacco industry in its past, fossil fuel giants have poured hundreds of millions of dollars into campaigns to convince us that climate science is not trustworthy. To understand why they would do so, we need to only look at two numbers. The first is $257 billion. This is the profit made in 2014 by Chevron, BP, ExxonMobil, Shell and others for extracting, transporting, refining, distributing and trading fossil fuels in the United States and in Canada alone.
