Making the gas of life a life-threatening pollutant is the greatest hoax of all time. It’s a doomsday cult of some sort.

“Less carbon dioxide means greener” is completely the opposite of reality. “More carbon dioxide means greener” is the reality. Go see any greenhouse for proof.

Also, NASA reports Earth has gone significantly greener over the past 35 years. https://science.nasa.gov/earth/climate-change/co2-is-making-earth-greenerfor-now/