2020 Review: Observational And Modeling Studies Show Temperature Falls As CO2 Rises

A 2020 observational study (Zhang et al., 2020) determined “temperatures of atmospheric air with substantially higher CO2 concentration (ranging from 3200 ppm to 16,900 ppm) were lower than that with the lower CO2 concentration (480 ppm)” and a 2020 modeling study (Drotos et al., 2020) assessed that when CO2 goes beyond 4 times preindustrial – 1,120 ppm – “climate sensitivity decreases to nearly zero” because the climate cyclically cools by 10 K.

So the science is settled, right?

Image Source: Zhang et al., 2020 (abstract) (pdf)

Image Source: Drotos et al., 2020

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December 28, 2020 at 12:52PM

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