Number of Days Above 100°F

This side-by-side animation shows the difference between a lower carbon emissions future and a higher carbon emissions future.

Light yellow represents locations where the temperature exceeds 100°F fewer than 10 days per year. Dark red represents locations where the temperature exceeds 100°F more than 120 days per year.

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Summer Climate Shift

This animation illustrates how the summer climate of three states — Michigan, Illinois, and New Hampshire — would change by late this century if carbon dioxide emissions continue to grow.

The colors of the underlying map show the current annual average temperatures across the United States. The southward movement of the three states illustrates how dramatically climate would change.

The climate of Michigan by late this century might resemble that of Oklahoma today, while that of Illinois might come to resemble Texas today.

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  • 1979
  • 2020
  • 2050
  • 2090