Methane Losses During Hydraulic Fracturing
September 18, 2013 | New York Times
"Drilling for shale gas through hydraulic fracturing, or fracking, appears to cause smaller leaks of the greenhouse gas methane than the federal government had estimated, and considerably smaller than some critics of shale gas had feared." Quoted from the New York Times article.
Sources of Atmospheric Methane?
February 25, 2014 | Stanford University News
A review of more than 200 earlier studies confirms that U.S. emissions of methane are considerably higher than official estimates. Leaks from the nation's natural gas system are an important part of the problem.
Natural Gas Leaks in Washington DC
March 2, 2014 | NPR
A recent study found thousands of leaking natural gas lines beneath the streets of Washington DC - about four leaks for every mile of pipe.