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A new working paper published by the National Bureau of Economic Research has found the most compelling reason yet to actually do something about climate change: Global warming means less sex.

The researchers found that hot weather yields “less coital frequency,” with birth rates dropping an average of 0.4 percent nine months after a heat wave. And with climate change guaranteeing more and more hot days, that could mean humans will be having less and less sex.

Of course, it also means air-conditioning could become an aphrodisiac, so maybe use this cuffing season to find a boyfriend with central air.