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A 'Nearly Zero' Climate Sensitivity Paper Finds A 16-Fold CO2 Increase Cools Earth Below Pre-Industrial Temperatures

A ‘Nearly Zero’ Climate Sensitivity Paper Finds A 16-Fold CO2 Increase Cools Earth Below Pre-Industrial Temperatures

In yet another new paper (Drotos et al., 2020), scientists determine the climate sensitivity to CO2 is “practically zero” the more the concentration rises. A ~4450 ppm CO2 concentration has cooler climates than observed in the pre-industrial (278 ppm) era. Why? A self-amplifying cloud feedback mechanism cools the Earth by magnitudes “as large as 10 […]

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