Latest reports say Earth’s climate has now been permanently altered by global warming: there’s no going back. Now what? Dr. Michael Mann with the 411 (Oct 21, 2020) Interviews, News 10/27/2020 KPFA Radio's Talkies Kris Welch Dr. Mann’s interview with Kris Welch on KPFA Radio’s Talkies View the original at KPFA Radio's Talkies