There was passing mention of atmospheric CO2's planet-warming effects in some old 1800s book I read on archive.org that was about nutrition and diet, and how ev

There was passing mention of atmospheric CO2's planet-warming effects in some old 1800s book I read on archive.org that was about nutrition and diet, and how evolution explains all one needs to know about which foods to eat. The CO2 blurb was made matter-of-factly as if it were entirely well understood, and it wasn't even a major component of what was being discussed. It was just a section explaining planetary temperatures and how/why they varied over time, and how that affected the course of evolution of life on earth. The wording was something like "CO2 acts as an invisible blanket on the planet, trapping in the heat gained from the sun" if memory serves...