>>11415614More localized, there's a lot of evidence that homes, offices, classrooms and other enclosed public places have insane levels of C02. High enough to cause recordable mental decline.
On average, a typical participant’s cognitive scores dropped 21 percent with a 400 ppm increase in CO2.
250-350 ppm is the average outdoor level. In surveys of elementary school classrooms in California and Texas, average CO2 concentrations were above 1,000 ppm, a substantial proportion exceeded 2,000 ppm, and in 21% of Texas classrooms peak CO2 concentration exceeded 3,000 ppm.
