See on Scoop.it – Green Energy Technologies & Development
U.S. EPA’s addition of oil, gas and coal methane emissions to its online greenhouse gas tracking tool revealed an 82.6-million-metric-ton increase in carbon dioxide equivalents over numbers from the previous year, when those figures were not…
Coal power still dominates emissions
Last year, EPA completed standards requiring hydraulically fractured gas wells to use technology that will cut toxic emissions and smog-forming pollution by 2015.
As a co-benefit, the upgrades will also reduce methane by up to 1.7 million tons, said EPA. However, environmental groups have said that the methane issue must be addressed separately from other pollutants (ClimateWire, April 19, 2012).
Coal-fired power plants are the largest source of carbon emissions, outpacing the second-largest source — petroleum and natural gas systems — by a factor of almost 10-to-1. Power plants accounted for two-thirds of total greenhouse gas emissions.
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