"Global Warming and Ozone Depletion: The Real Cons of Nitrous Oxide Use," by Deirdre C. Kelleher, MD, Assistant Professor; and E.B. Fouts-Palmer, MD, Assistant Professor; both of Weill Cornell Medicine, New York, New York. From ASRA Pain Medicine News, August 2022. See original article at www.asra.com/asra-news for figures and references. This material is copyrighted.