Is Carbon Dioxide Making Our Blood Toxic?

Could rising carbon dioxide levels actually be changing the chemistry of our blood? A new study makes the startling claim that increasing atmospheric CO₂ could eventually make the atmosphere toxic—but does the evidence really support such a dramatic conclusion? In this episode, Dr. David Legates takes a critical look at the study behind the headlines. He examines its analysis of more than two decades of U.S. health data, which finds that blood bicarbonate levels increased as atmospheric CO₂ r...