Thousands of years of sediment carried by the Mississippi River created 25,000 square kilometers of land, marsh and wetlands along Louisiana’s coast. But engineering projects stopped the flow of sediment and rising seas thanks to climate change have made the Mississippi Delta the fastest-disappearing land on earth. Louisiana State University researchers created the river system in miniature to try to stop the erosion and rebuild the delta. Faith Lapidus narrates this report from Deborah Block.
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