Ema | Developer April 23, 2023 Dave Speaks, Dave's Picks Dave's Picks | Living in the shadow of a dangerous shrinking glacier Ema | Developer April 23, 2023 Dave Speaks, Dave's Picks From NPR: Melting glaciers are leaving behind large, unstable lakes around the world.Millions of people live downstream, in places increasingly threatened by deadly flash floods.What will it take to protect them?