A New Seawall Protects Manhattan: An Engineering Marvel

Published at : 23 Dec 2025

Tour the New York City Financial District and Seaport Climate Resilience Plan--part of a new seawall that protects Lower Manhattan, an engineering marvel designed to protect one of America's most valuable pieces of land from sea level rise, storm surge, and extreme rainfall events until at least 2100.
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FiDi & Seaport Climate Resilience Plan https://fidiseaportclimate.nyc/
Lower Manhattan Coastal Resiliency https://edc.nyc/project/lower-manhattan-coastal-resiliency
Arcadis https://www.arcadis.com/en-us
Open House New York https://ohny.org/

Chapters
Introducing the FiDi & Seaport plan 0:00
6 feet of sea level rise by 2100 0:50
Lower Manhattan's overall Coastal Resilience plan 2:06
Resilience+ to solve the challenge 3:14
Riverfront park extending into the shoreline 4:13
The brilliant engineering behind the plan 4:42
Retractable "pocket" gateways 7:23
Dutch influence on the project 9:45
Future adaptability of the defense 12:07
All-important pump station 12:58
Protecting the Battery Maritime Building (BMB) 13:23
A new Ferry Hub for Staten and Gov. Islands 14:38
NYC cost-benefit analysis 18:02
Tying in through a new seawall park at The Battery 20:20