Michael De Armon commented:
We actually need MORE C02. We are at like 330ppm, and at like 200 plant life ceases to exist.
Just 50 years ago we were at like 400ppm. If we want big beautiful plants, we need more CO2. I mean, CO2 for them is what Oxygen is for us.
I replied:
One could be forgiven for wondering if that is not for what the depopulationists are striving!