The following is an excerpt from June 21, 2018 | AFP.com |
The US oil and gas industry leaks 60 percent more methane than official government estimates, a report said Thursday, warning of this potent greenhouse gas's effect on the environment.
US industry emits some 13 million metric tons each year, far more than the amount estimated by the US Environmental Protection Agency (EPA), said the findings published in the journal Science.
Researchers said the actual leak rate of 2.3 percent -- compared to EPA inventory estimates of 1.4 percent -- represents enough natural gas to fuel 10 million homes.
The dollar value of the lost gas amounts to $2 billion, said the report compiled by more than 140 researchers, in cooperation with 50 oil and gas companies that provided site access and technical advice.
"Scientists have uncovered a huge problem, but also an enormous opportunity," said co-author Steven Hamburg, chief scientist at the Environmental Defense Fund.
"Reducing methane emissions from the oil and gas sector is the fastest, most cost effective way we have to slow the rate of warming today, even as the larger transition to lower-carbon energy continues."
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