The $119 billion sea wall that could defend New York … or not

New York Harbor, Manhattan

ANNE BARNARD / NY TIMES – Picture a storm charging toward New York City, pushing a surge of seawater like the one that flooded the region during Hurricane Sandy. But this time, man-made islands with retractable gates stretch from the Rockaways in Queens to a strip of land in New Jersey south of Staten Island.

The gates swing shut. A six-mile-long wall blocks the deluge, saving property and lives.

The giant barrier is the largest of five options the Army Corps of Engineers is studying to protect the New York area as storms become more frequent, and destructive, on a warming Earth …

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