William’s Substack

William’s Substack

Notes from an Environmentalist.

New Orleans will be surrounded by water by end of the century.

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William Sargent
May 04, 2026
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Louisiana at three meters of sea level rise

Land below water

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New Orleans coastal

defense system

protects the city

Baton Rouge

Lake Charles

Lafayette

Gulf of

Mexico

50 miles

Louisiana

100 km

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