US greenhouse gas emissions drop under Trump, but climate experts aren’t celebrating (Dec 22, 2020)December 31, 2020Dr. Mann with Simon Roach of Channel 4 News (Dec 18, 2020)December 31, 2020 Published by Philly Web Team on December 31, 2020 Categories Tags Dr. Mann’s new commentary for NBC News / NBC News Think Share Philly Web Team
