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Today week we take on a doomsday future! We haven’t done one of those this season. So, what would happen if all the active volcanoes in the world erupted at the same time? The short answer is: bad things. The long answer is, well, you’ll have to listen to the episode! First we talk to Jessica Ball, a volcanologist, who walks us through the different types of eruptions, what make something an active volcano, and just how bad ash is. Spoiler: it’s really bad. It gums up engines, cuts up your lungs, and is so heavy that it can collapse buildings. But the destruction of a massive volcanic eruption doesn’t stop there. Oh no. Then Ball tells us about the ways in which volcanoes can actually impact the climate. In fact, in 1815, a single volcanic eruption at Mount Tambora caused the entire Northern Hemisphere to experience “A Year Without a Summer,” resulting in famine, death, and Mary Shelly’s Frankenstein. (You’ll have to listen to the podcast to get that particular story.) So how does one live through this kind…