Carbon dioxide is not a pollutant and is not toxic

“The results from a 2018 study (Rodeheffer et al., 2018) measuring the cognitive and decision-making performances of submariners exposed to elevated CO2 undermined the attempts to portray CO2 as a brain-function-impairing toxin. In the study, subjects were exposed to 3 CO2 conditions: 600, 2500, and 15000 ppm. The results indicated there were “no significant differences” in how the subjects performed for any of the CO2 exposure levels.” click here

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