Why are river deltas disappearing? They’re sinking faster than many people realize.

Why are river deltas disappearing? They’re sinking faster than many people realize.

Great white egrets stand in the wetlands surrounding New Orleans. Land in this area of the Mississippi River Delta is sinking, both on its own and in tandem with rising sea levels. (Elise Plunk/Louisiana Illuminator)A new study says river deltas around the world aren’t just disappearing because of rising seas, but because the land itself is sinking down into the waters, either as fast or faster than the rising oceans. Researchers found some of t…