Scientific American, By Joel Kirkland and ClimateWire, July 9, 2010
The extent to which utilities will burn natural gas to slash carbon dioxide emissions tied to global warming is a national issue. But on the ground, where it's being produced, the issues become very local.
PITTSBURGHâ€”Around suppertime on June 3 in Clearfield County, Pa., a geyser of natural gas and sludge began shooting out of a well called Punxsutawney Hunting Club 36. The toxic stew of gas, salt water, mud and chemicals went 75 feet into the air for 16 hours. Some of this mess seeped into a stream northeast of Pittsburgh.
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