Weather & Science

More Than 3 Million Americans Are Already Climate Migrants, Researchers Say

A new analysis finds it’s not uncommon for people to move away from their street or neighborhood due to flood risk. 

Floodwaters surround a home following Tropical Storm Imelda in Fannett, Texas, Sept. 20, 2019. 

Photographer: Sergio Flores/Bloomberg
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Over the last two decades, as San Antonio and surrounding Bexar County, Texas, grew by more than 600,000 people, some 17% of the city’s blocks experienced a decrease in population.

That delta is largely due to flood risk that climate change exacerbates, according to a new report by the First Street Foundation, a data nonprofit with the mission of communicating climate hazards.