josh, (edited ) 
Addressing indoor air quality saves lives and helps us achieve at work, in school, and in self-governance.
Brain function declines by 15% as CO2 levels hit 945ppm, and by 50% at 1400ppm.
Have you ever measured CO2 at your desk or a contentious City Council meeting? What you find might surprise you!
These scientists recommend mandating clean air in public buildings, with 800ppm as the upper limit. That's good policy: https://www.science.org/doi/10.1126/science.adl0677
