Historic low flows turned the Mississippi River into a construction area in 2023, as the U.S. Army Corps of Engineers dredged huge quantities of sand to keep the channel open for barge traffic.

He said the material to construct the six islands is river sand that is coming from a few miles downstream of the project within an area of the river known as Pool 2. McFarlane said the project ...

But our team’s research on the Lower Mekong river reveals that sand mining is depleting sediment stocks at an alarming pace, causing riverbeds to lower and banks to erode. However, new hi-tech ...