Iceland just erected a monument to their first glacier lost to climate change. "Only you know if we did it. -- 415 ppm". Today, it's a glacier, tomorrow, it could be entire cities. Stories like this remind us how much work we've got to do. https://t.co/6F21cQhq2B @blkahn pic.twitter.com/zMnrEc5QDW

— Arvind P. Ravikumar (@arvindpawan1) July 20, 2019