1.0THE CITY - NYC Newshttps://www.thecity.nycSamantha Maldonadohttps://www.thecity.nyc/author/samantha-maldonado/A Fifth of NYC Built on Bygone Water Now at Risk: Study Maps City’s 'Blue Zones'rich600338<blockquote class="wp-embedded-content" data-secret="aKPGJA5KPE"><a href="https://www.thecity.nyc/2026/04/01/flooding-blue-zones-climate-change-building/">A Fifth of NYC Built on Bygone Water Now at Risk: Study Maps City’s ‘Blue Zones’</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.thecity.nyc/2026/04/01/flooding-blue-zones-climate-change-building/embed/#?secret=aKPGJA5KPE" width="600" height="338" title="“A Fifth of NYC Built on Bygone Water Now at Risk: Study Maps City’s ‘Blue Zones’” — THE CITY - NYC News" data-secret="aKPGJA5KPE" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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https://www.thecity.nyc/wp-content/uploads/2026/03/032726_newtown_creek.jpg20481365Researchers at the New York Botanical Garden identified more than 500 places in the city where water used to be, where it still floods and where flooding is likely to get worse due to climate change.