Reuters: US power system becomes more fossil-dependent than China's

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5. NPR: Natural gas can rival coal's climate-warming potential when leaks are counted

https://www.npr.org/2023/07/14/1187648553/natural-gas-can-rival-coals-climate-warming-potential-when-leaks-are-counted

Natural gas can rival coal's climate-warming potential when leaks are counted

JULY 14, 20232:21 PM ET


The natural gas production and supply system leaks the powerful greenhouse gas methane during drilling, fracking, processing and transport.
Meredith Miotke for NPR

Natural gas has long been considered a more climate-friendly alternative to coal, as gas-fired power plants generally release less carbon dioxide into the atmosphere than their coal-fired counterparts. But a new study finds that when the full impact of the industry is taken into account, natural gas could contribute as much as coal to climate change.

Natural gas is primarily composed of methane, a potent greenhouse gas. A new peer-reviewed analysis in the journal Environmental Research Letters finds that when even small amounts of methane escape from natural gas wells, production facilities and pipelines, it can drive up the industry's emissions to equal the effects of coal.

Recent studies have found much higher rates of leakage from natural gas infrastructure than previously known. Researchers wanted to understand the impact of those leaks.

"This analysis compares gas and coal at varying methane leakage rates. We find that very small methane leakage rates from gas systems rival coal's greenhouse gas emissions," said Deborah Gordon, co-author of the analysis and a senior principal at the environmental group RMI, formerly Rocky Mountain Institute. Scientists from NASA, Harvard University and Duke University also contributed to the paper.

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