Methane Surge
Global concentrations of the potent but short-lived greenhouse gas methane soared by a record amount during 2021, according to a new NOAA report. It marked the second consecutive year that methane increased at a record rate, bringing the amount of the gas in the atmosphere to far more than twice the levels seen in pre-industrial times.
Methane is a large contributor to climate change and comes mainly from livestock, agricultural production and trash landfills. But some experts point to leaks from oil and gas production as adding to the recent increase in methane levels. Fortunately, the gas only lasts about nine years in the atmosphere, compared to the tens of thousands of years carbon dioxide lingers.
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