Melting glaciers are leaving behind large, unstable lakes that can cause dangerous flash floods. Millions of people downstream are threatened.

In today's episode, NPR Climate Desk reporter Rebecca Hersher and producer Ryan Kellman take Short Wave co-host Emily Kwong to a community high in the mountains of Nepal where residents are on the front lines of this new climate threat, and explains how scientists are looking for solutions that can save lives around the world.

Check out the full series about how melting ice affects us all: npr.org/icemelt.

Reach the show by emailing shortwave@npr.org.

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