When Trump’s EPA Needed a Climate Scientist, They Called on John Christy (Nov 2, 2020)November 13, 2020Trump’s climate legacy, Biden’s environmental future (Nov 20, 2020)November 26, 2020 Published by Philly Web Team on November 14, 2020 Categories Tags Dr. Mann is a co-signatory of this open letter in The Guardian Share Philly Web Team
