One should also not forget high CO2 developments in classrooms and its impact on test scores. We measured these in a school last year and it regularly went abov

One should also not forget high CO2 developments in classrooms and its impact on test scores. We measured these in a school last year and it regularly went above 3000ppm [1]. Studies show cognitive impacts already at relatively low increases. So the atmospheric CO2 build up could also in the long term impact our cognitive performance. [1] https://www.airgradient.com/blog/2020/02/07/we-measured-the-co2-level-in-a-classrooms-this-is-what-we-found-out/ https://www.airgradient.com/blog/2020/02/07/we-measured-the-...