The Mississippi River Delta is the confluence of the Mississippi River with the Gulf of Mexico in Louisiana, southeastern United States. The river delta is a three-million-acre area of land that stretches from Vermilion Bay on the west, to the Chandeleur Islands in the east, on Louisiana's southeastern coast. Humans cause wetland loss with the construction of river levees, channels, canals, and dams that regulate water flows or make it easier for ships to pass through an area. Human activities disrupt the natural balance of the wetlands in the Mississippi River Delta. The formation of the Mississippi River Delta can be traced back to the late Cretaceous Period, approximately 100 million years ago, with the creation of the Mississippi embayment. The embayment began focusing sediment into the Gulf of Mexico, which facilitated the deltaic land-building processes for the future. The modern Mississippi River Delta formed over the last approximately 4,500 years as the Mississippi River deposited sand, clay and silt along its banks and in adjacent basins.

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