Methane Acceleration Sets Record – nemonemini global warming March 15, 2022 1 Minute In the year 2021 methane (CH4) concentration in the atmosphere exceeded 1,900 ppb for the first time in human history recorded by Global Monitoring Source: Methane Acceleration Sets Record – CounterPunch.org Share this:TweetLike this:Like Loading... Related Published by nemonemini View all posts by nemonemini Published March 15, 2022