https://www.salon.com/2014/04/24/manhattans_surging_flood_risk_city_could_end_up_underwater_every_1_in_4_years/
The risk of flooding from storms is 20 times greater than it used to be, a new study finds
flood riskend upmanhattancitycould
https://www.usgs.gov/media/images/ecomapper-autonomous-underwater-vehicle-collecting-data-delaware-river-estuary-city
Photograph of ecomapper autonomous underwater vehicle collecting data in the Delaware River Estuary with the City of Philadelphia in the background.
autonomous underwater vehiclethe delaware rivercollectingdata