Climate change is causing coastal areas to erode, and building them back up with mud and dirt will become increasingly necessary. Fortunately, large construction projects like digging tunnels often involve excavating tons of dirt that could then be moved to coastlines. Instead, it typically gets dumped in the ocean. Listen to learn why dirt is becoming a valuable resource and how people are working to move it to where it can do the most good.
Story Length: 4:22
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