Here's how rising seas could swallow up these coastal cities

Here's how rising seas could swallow up these coastal cities

- in Science
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The Paris Climate Accord aims to keep global temperature rise below 2 degrees C above the pre-industrial average of 12 degrees C — but we’ve already surpassed that mark. Many scientists believe we’re on track to rise 3 degrees C by the end of this century.

EarthTime spotlights the effects of rising seas on major urban areas including Mumbai and London, but risks are even greater for islands like Tahiti, Tuvalu, and Kiribati. In the U.S., New York City, Charleston, and several cities in Florida are among the metropolitan areas where the effects of rising seas are expected to be especially dramatic.

Of the top 25 American cities most vulnerable to coastal flooding, 22 are in Florida (see gif at top). Flooding could destroy Florida’s coral reefs, mangrove swamps, and beaches. The risks to coastal areas in the state are exacerbated by the continuing erosion of the seafloor off Florida’s coasts.

Here are three other places where familiar coastlines are likely to be reshaped by rising seas.

New York City

Image: New York City
New York CityClimate Central and CREATE Lab

There are more residents living in high-risk flood zones in New York City than in any other U.S. city. Sea level rise will contribute to more intense and more frequent hurricanes because the storms will start from a higher level.

Shanghai

Image: Shanghai
ShanghaiClimate Central and CREATE Lab

Shanghai has been working on responses to sea level rise for years since flooding poses a threat to its fishing, financial, and tourism industries. But experts caution that building a floodgate on the Yangtze River — one proposed solution — may not help protect the city against sea level rise in the long term.

The Netherlands

Image: The Netherlands
The NetherlandsClimate Central and CREATE Lab

More than a quarter of the Netherlands is below sea level, putting it at a high risk for flooding. While a storm surge barrier the size of two Eiffel Towers protects Rotterdam, the Dutch government has responded with innovations beyond just building walls. For instance, there are floating conference centers, houses, and trees in some major Dutch cities.

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