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.

Interested in hearing more climate solutions? Email us at shortwave@npr.org.

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