These charts show how hot the US might be by 2090

Climate change has been a burning political and social topic for a long time — and a set of maps showing how the United States could be affected by climate change between now and the end of the century are likely to make discussions even hotter.

The charts, produced by the National Oceanographic and Atmospheric Administration (NOAA), part of the US Department of Commerce, are based on a range of average temperature predictions that depend on whether man-made CO2 emissions are stabilized or not.

What the maps show is that, even if drastic action is taken to ensure CO2 emissions are reduced and the global temperature does not rise more than 2°C above pre-industrial levels, the world is still in for a hot old time.

On this basis, even if the world gets its act together, average maximum summer temperatures across most of the nation will rise from the low to mid-60s°F (17–20°C), to somewhere in the 80–90°F (27–32°C) range or above.

Meanwhile, if nothing is done to reduce emissions, the outlook is even hotter. From the same mid-60s°F range now, the average maximum summer temperatures could rise to nearer 100°F-110°F.

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