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
<a href="http://mississippiriverdelta.org">See the Restore the Mississippi River Delta website</a>
<a href="https://www.scientificamerican.com/article/drowning-new-orleans/">Drowning New Orleans</a>
<a href="https://www.scientificamerican.com/article/protecting-new-orleans/">Protecting New Orleans</a>
<a href="https://www.nytimes.com/2005/09/02/opinion/they-saw-it-coming.html">“They Saw It Coming,” by Mark Fischetti, in the New York Times; September 2, 2005</a>

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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. Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a>

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Katrina Was Predicted: Revisiting Warning Signs 20 Years Later

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