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Apr 28, 2026, 4:30 am91 ptsTrending
Grist
For millions of years, the Mississippi River flowed unchecked, carrying roughly 400 million metric tons of sediment down to Louisiana, where it spilled into the Gulf of Mexico to create new land. But in the early 20th century, a series of dams and river-training structures were built to prevent flooding —…
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Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.










