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. In order for increased human CO2 emissions to cause accelerated global warming, the climate models need to assume that CO2 remains in the atmosphere for a very long time, up to 100+ years. Since the IPCC's task is to prove any global warming is due to human CO2 emissions, they decided to proclaim that CO2 was long-lived in the atmosphere - a fabricated assumption.
They did this despite the overwhelming majority of peer-reviewed studies (and corroborating empirical measurements) finding that CO2 in the atmosphere remained there a short time. Literally, a fabricated assumption, driven by political agenda, became a cornerstone of fraudulent climate model science. As a result, billions spent on climate models that are unable to predict climate with any accuracy. (click to see large image