Climate change will aggravate economic inequality in the United States, essentially transferring wealth from poor counties in the Southeast and the Midwest to well-off communities in the Northeast and on the coasts, according to the most detailed economic assessment of the phenomenon ever conducted.

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The study, published Thursday in Science, simulates the costs of global warming in excruciating detail, modeling every day of weather in every U.S. county during the 21st century. It finds enormous disparities in how rising temperatures will affect American communities: Texas, Florida, and the Deep South will bleed income in the broiling heat, while some chillier northern states gain moderate benefits.

Yet beyond its initial findings, the paper represents a major breakthrough for the field of climate economics. Previously, the best financial forecasts of climate change approximated damages for the entire country at once. This new study worked from the bottom up, building its model from dozens of microeconomic studies into how climate change is already affecting regional economies across the United States. Every algorithm in the model emerges from a previously observed relationship in real-world data.

The study, published Thursday in Science, simulates the costs of global warming in excruciating detail, modeling every day of weather in every U.S. county during the 21st century. It finds enormous disparities in how rising temperatures will affect American communities: Texas, Florida, and the Deep South will bleed income in the broiling heat, while some chillier northern states gain moderate benefits.

In fact, the only factor of climate change that doesn’t specifically hurt the South is a projected rise in property crime associated with climate change. The incidence of nonviolent property crime doesn’t rise on summer days, but it tends to fall on the coldest days.

“If the high rates of human mortality can be eliminated or reduced with adaptation (more air conditioning, sports gels, better medicine, or people moving out of the South) then the economic picture really changes and the costs of climate will be reduced dramatically,”

-Solomon Hsiang

Read the source article at The Atlantic

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