
Juliet Eilperin @eilperin
Yes, there are between 1,460 billion and 1,600 billion metric tons of organic carbon stores in frozen Arctic soils. So if released, this carbon could have a profound impact. — PolitiTweet.org
Clara Jeffery @ClaraJeffery
This is the tipping point I dread the most https://t.co/f64GRPnSa7