Twenty years after Hurricane Katrina devastated New Orleans, Scientific American revisits the storm’s tragic legacy and the scientific warnings that went unheeded. Senior editor Mark Fischetti shares his experience reporting on the city’s vulnerability years before the levees broke, and our senior Earth and environment editor Andrea Thompson reflects on how hurricane preparedness has changed since.

Recommended Reading

See the Restore the Mississippi River Delta website

Drowning New Orleans

Protecting New Orleans

“They Saw It Coming,” by Mark Fischetti, in the New York Times; September 2, 2005

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Science Quickly is produced by Rachel Feltman, Fonda Mwangi, Kelso Harper and Jeff DelViscio. This episode was edited by Alex Sugiura. Shayna Posses and Aaron Shattuck fact-check the show. The theme music was composed by Dominic Smith.

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