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Avoiding unnecessary resource use and controlling emissions are important approaches to reduce the environmental impact of perioperative care. Updated Canadian Anesthesiologists' Society guidelines re-emphasize specific strategies that include choosing reusable, reprocessable equipment rather than single-use disposable items, recycling materials when feasible, and responsibly using inhalation anesthetic agents (e.g., low fresh gas flow during delivery; minimizing use of desflurane and nitrous oxide; selecting alternative techniques such as total intravenous anesthesia [TIVA] or neuraxial or regional anesthetic approaches when appropriate).1 

In December 2022, the...

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