On the Fact that the Atmospheric CO2 Levels During the Cambrian Era Fluctuated Between 4,000 and 7,000 Parts per Million and Instead of it Being a Challenging Time for Life On Earth it Was a Time In Which More New Species Emerged than During Any Other Period In the Earth's History

This of course should not come as a surprise in that anyone who hasn't been indoctrinated by the court-scientists and bed-wetters knows that carbon is one of the essential building-blocks of life and that to have more of it in the atmosphere is generally a good thing (crops grow faster, the planet greens faster, etc.). But just in case, here are the facts.