Imo should go back 100m years and chart should start at 0. For reference on ppm of other materials that are acceptable in the workplace: https://www.osha.gov/a

Imo should go back 100m years and chart should start at 0. For reference on ppm of other materials that are acceptable in the workplace: https://www.osha.gov/annotated-pels/table-z-1 https://www.osha.gov/annotated-pels/table-z-1 CO2 is arguably just shows the transfer of one carbon organism to another https://www.nature.com/articles/s41561-023-01274-4 https://www.nature.com/articles/s41561-023-01274-4 Would be cool to overlay the co2 levels with other things (such as tree growth, etc)