Louisiana's chain of sandy barrier islands are the coast's first line of defense against hurricanes. But that defense has been rapidly eroding and sinking in recent decades.
Nice interactive photo in this article. The key point that I would make about this is the restoration work by dredging is great but it need to be backed up with a diversion into the same area. If not, the restored area will immediately start to erode and sink away. A diversion from the Mississippi River would help maintain what is there by depositing sediment in that area. I just hate seeing a restoration that's not sustainable.
Read the full story here...
https://www.nola.com/environment/index.ssf/2018/07/see_a_barrier_island_before_an.html#incart_river_index