The atmosphere has hit a grim milestone — and scientists say we’ll never go back ‘within our lifetimes’ - The Washington Post

https://www.washingtonpost.com/news/energy-environment/wp/2016/06/13/the-atmosphere-has-crossed-a-grim-milestone-and-scientists-say-well-never-go-back-within-our-lifetimes/?wpisrc=nl_az_most


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