Ecosystems like wetlands emit more carbon as temperatures rise. By 2100, such feedback loops will increase warming by 20 to 30 per cent more than anticipated https://www.newscientist.com/article/2588740-natural-feedbacks-will-add-20-per-cent-extra-global-warming/?utm_term=Autofeed&utm_campaign=echobox&utm_medium=social&utm_source=Twitter#Echobox=1789067546