In California's Napa Valley, the nation's unofficial wine capital, one varietal reigns supreme: cabernet sauvignon. But climate change is threatening the small blue-black grapes for which cabernet sauvignon is named. Increasingly severe heat waves are taking a toll on the grape variety, especially in late summer during ripening.To kick off NPR's Climate Solutions Week), climate correspondent Lauren Sommer) joins host Regina G. Barber) for a deep dive into the innovations wineries are actualizing — and the ways that cabernet farmers and fans alike could learn to adapt.Climate change is affecting our food, and our food is affecting the climate. NPR is dedicating a week to stories and conversations about the search for solutions.)****Read more **)**of Lauren's reporting on how climate change is affecting wine. ***Interested in hearing more climate solutions? Email us at [email protected]).*Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)