Concerning these benefits, atmospheric CO2 is the building block of plant life. It is used by earths plants in the process of photosynthesis to construct their tissues and grow. And as has been conclusively demonstrated in numerous scientific studies, the more CO2 we put into the air, the better plants grow. Among other findings, they produce greater amounts of biomass, become more efficient at using water, and are better able to cope with environmental stresses such as pollution and high temperatures.
Fallacy: oversimplification