The Philadelphia Inquirer
By Tom Avril, Inquirer Staff Writer
July 6, 2015
MONTOURSVILLE, Pa. - The inside of the Twin Otter airplane was turned into a flying laboratory, crammed with racks of computer equipment and an array of suitcase-sized plastic containers.
Its mission: to fly over the busy natural-gas drilling operations of northeastern Pennsylvania so a pair of scientists could measure how much of the stuff was leaking into the atmosphere.
In particular, the researchers were interested in the prime component of natural gas, an odorless substance called methane that gets much of the blame for global warming.
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