As CO2 Levels Build Up Like ‘Trash in a Landfill,’ Earth Has Hottest May on Record nemonemini Uncategorized June 6, 2020 1 Minute “This is unquestionably an alarming sign.” Source: As CO2 Levels Build Up Like ‘Trash in a Landfill,’ Earth Has Hottest May on Record | Common Dreams News Share this:TweetLike this:Like Loading... Related Published by nemonemini View all posts by nemonemini Published June 6, 2020