Barrier islands like Tybee Island, off the coast of Georgia, should naturally accumulate sand from islands farther north, but human activity — development on the island, building sea walls and jetties, creating shipping channels — has disrupted that process. As a result, barrier islands are cons...
Source: [Grist](https://grist.org/oceans/the-never-ending-struggle-to-protect-georgias-most-popular-beach/)