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Pentagon Weighs 14-Foot Flood Wall at Historic Navy Yard in D.C.

Feb. 1, 2019, 12:26 PM

The Navy is considering erecting a 14-foot flood wall around the Washington Navy Yard to protect the historic complex along the Anacostia River from rising sea levels, internal Department of Defense documents show.

Military engineers proposed the wall in a study, obtained by Bloomberg News through a public-records request, that describes a structure as long as 1.5 miles, to protect three dozen buildings at a cost of as much as $20 million. It is the latest example of a federal agency getting ready for climate change, despite the Trump administration’s public dismissal of the threat.

The Anacostia River runs along Washington Navy Yard.
Photographer: Alex Wroblewski/Bloomberg

The department has been ...

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