Dave convenes a panel of experts on something that is the most important topic of the 21st century: climate change.
Ellery McQuilkin, a recent guest on the show for her brilliant work on a receding Sierra Nevada glacier joins Dave as a special guest co-host. With his 16-year-old protégé on board, the pair discuss our imperiled climate with NASA Goddard Spaceflight Center research meteorologist Lesley Ott, NASA/JPL climate scientist Josh Willis and California drought expert William Patzert.