"The researchers estimate that 143 billion cubic meters of gas was flared worldwide in 2012, equivalent to 3.5 percent of all that was produced. "Because flaring is a waste disposal process," the paper notes, "there is no systematic reporting of the flaring locations and flared gas volumes."
With a new satellite tool called VIIRS, or Visible Infrared Imaging Radiometer Suite, researchers found more than 7,000 flare sites. Russia flared the largest volume of gas (25 billion cubic meters, about half what the state of Colorado produces in a year), according to the study, while the United States had the highest number (2,399) of flares."

http://news.nationalgeographic.com/energy/2016/01/150113-methane-aliso-canyon-leak-noaa-flaring-map/?google_editors_picks=true
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