In the journal Science: To slow global warming, some researchers want to pull methane out of the air

Methane, long eclipsed by carbon dioxide (CO2) as a villain in climate change, is having its moment in the spotlight. The United Nations climate summit opened here this week with faltering global commitments to reducing CO2, but more than 100 nations have agreed to cut their methane emissions by one-third by 2030. Officials hope cracking down on the potent greenhouse gas will help limit global warming to a 1.5°C rise, the goal established by the 2015 Paris agreement. Now, some researchers say they want to not only put less methane into the atmosphere, but also actively pull it out. 

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