Will a burst of methane rise up from the sea along Siberia – creating a heat emergency never seen before? Why is this formerly sleepy science so controversial? Sara Sayedi and over 20 Arctic permafrost experts. Then: shocking reporting on the U.S. natural gas system leaking methane sky-high. Sample of Chris Nelder’s Energy Transition Show #140 “Methane Leakage”, with guests Emily Grubert and Mason Inman.