This is a common denialist point and is unfortunately a massive oversimplification, there is a hard limit to this increase. Plants are limited by far more than

This is a common denialist point and is unfortunately a massive oversimplification, there is a hard limit to this increase. Plants are limited by far more than co2 https://skepticalscience.com/co2-plant-food.htm https://skepticalscience.com/co2-plant-food.htm