US president Joe Biden will try to underscore his green credentials by unveiling an action plan to control methane, regarded by the administration as the single most potent way to combat the climate crisis in the short term.
Leading an alliance of 90 countries, including for the first time Brazil, he will on Tuesday set out new regulatory measures to limit global methane emissions by 30% from 2020 levels by the end of the decade.
The alliance includes two-thirds of the global economy and half of
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