“U.S. Energy-related carbon dioxide emissions declined 3.8 percent in 2012. The 2012 downturn means that emissions are at their lowest level since 1994 and over 12 percent below the recent 2007 peak. After 1990, only the recession year of 2009 saw a larger percentage emissions decrease than 2012. Energy-related carbon dioxide emissions have declined in 5 out of the last 7 years.”
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