What is it about?

Shows how climate change is already costing the United States by changing daily temperatures. Much of the costs come from how it changes temperature around the country all at once.

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Why is it important?

Instead of projecting future damages, looks at current damages, and instead of focusing on temporary local changes in weather, studies persistent national changes in weather.

Perspectives

I was surprised at how much accounting for national weather patterns mattered.

Derek Lemoine
University of Arizona

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This page is a summary of: Climate change has already made the United States poorer, Proceedings of the National Academy of Sciences, December 2025, Proceedings of the National Academy of Sciences,
DOI: 10.1073/pnas.2504376122.
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