Will Happer is President Trump’s go-to man on Science and he is a great fan of CO2. In long-term historical perspective we are at a low point for CO2 and there is barely enough for good plant growth. The planet has been greened by the increase in modern times and more will be better.
This is a particularly informative interview in the Interviews That Matter series. Particularly clear on the “historical drought” aspect, the diminishing effect of increasing CO2, the way it builds drought resistance and increases agricultural productivity.