The Washington Post @washingtonpost
Will Steffen, a prominent scientist who battled climate denialism and contributed to several key reports that pushed world leaders to limit the Earth’s warming to 1.5 degrees Celsius (2.7 Fahrenheit), died on Jan. 29 in Canberra, Australia. He was 75. https://t.co/5LT8cCMe1r — PolitiTweet.org