Chlorine radicals could be used to destroy methane heading for the atmosphere

Methane vents at a landfill

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Researchers suggest positioning reactors that trigger methane oxidation at landfills and the ventilation exits of underground coal mines

Two ways that atomic chlorine could be used to reduce methane levels in the atmosphere have been put forward by an international group of researchers. Both ideas involve manufacturing chlorine sinks to initiate methane oxidation reactions.