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EPA head suggests CO2 isn't a 'primary contributor' to climate change
If you want a good example of why American environmental scientists are in such a state of despair these days, you just got it. When asked by CNBC whether or not he thought carbon dioxide was the "primary control knob" for global warming, new EPA chief Scott Pruitt suggested that it wasn't a "primary contributor." The answer is a bit fuzzy (it's merged with a broader attempt to cast doubt on the human role in climate change), but it's still far from flattering -- either he's trying to downplay basic climate science for the sake of his fossil fuel industry friends, or he genuinely doesn't know how it works.
