MSNBC Andrea Mitchell Reports June 4, 2024 16:52:00
Welcome back. the world's top climate scientists issued their most dire warning yet, that the world is at a tipping point now. if global leaders don't take dramatic action quickly. a comprehensive u.n. report warning that we are on a dangerous track for even more catastrophic heat waves, flooding and drought over the next decade. there is still a chance to avoid the worst effects, by aggressively cutting greenhouse gases in half by 2030. joining me now is michael mann, professor and director of the pan center for science, sustainability and the media, university of pennsylvania. michael is the...