The NYC mayor tried 10 years ago and was stopped by opposition politicians: https://www.msnbc.com/morning-joe/bloombergs-20b-plan-protect-nyc-cli-msna60348 http

The NYC mayor tried 10 years ago and was stopped by opposition politicians: https://www.msnbc.com/morning-joe/bloombergs-20b-plan-protect-nyc-cli-msna60348 https://www.msnbc.com/morning-joe/bloombergs-20b-plan-protec... > The mayor proposed a series of strategic flood walls, surge barriers, dunes, tidal barriers, and bulkheads built around the coasts strategically, to insulate the coastal areas, as well as building codes to protect homes and businesses against flooding and infrastructure improvements to prevent power, fuel, and telecommunication outages.