The NRDC called the passage of the bill in the House "a major weakening of the Clean Air Act." Prospects are weaker in the Senate, and President Obama would be expected to veto it if it came to his desk, however.
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Assuming that wind generation has displaced capacity of natural gas and coal-fired power plants, the increase in wind power has helped the United States avoid 85.7 million metric tons of carbon dioxide pollution in 2012 alone.
A new study finds that 55 million years ago, "following a doubling in carbon dioxide levels, the surface of the ocean turned acidic over a period of weeks or months and global temperatures rose by 5 degrees centigrade – all in the space of about 13 years."