NASA 's top climate expert, James Hansen, predicted that by 2018 the Arctic would be ice-free, and Lower Manhattan would be underwater. Democrats call him a "climate prophet." Only six weeks left to go!

- @NASA 's top climate expert, James Hansen, predicted that by 2018 the Arctic would be ice-free, and Lower Manhattan would be underwater. Democrats call him a "climate prophet." Only six weeks left to go!https://t.co/3qqWrWmdze pic.twitter.com/vG9EpW1dBb

— Steve Goddard (@SteveSGoddard) November 13, 2017