Cities under water

New data confirms that sea level rise may reach six feet by the end of this century. Such a change would put many existing cities under water.

In the United States, parts of the East Coast and Gulf Coast would be hit hard. In New York, coastal flooding could become routine, with large parts of Queens and Brooklyn especially vulnerable. About 15 percent of the urbanized land in the Miami region could be inundated.

Whether you believe humans are causing it or not, the planet is heating up very quickly. Flooding is just one of the dramatic effects that will drive many Americans out of their homes.

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