It varies greatly with size. A university hospital (1,000-2,000 beds): 50,000 to 200,000 tCO₂e/year. A general hospital (300-800 beds): 15,000 to 60,000 tCO₂e/year. A private clinic (100-300 beds): 5,000 to 20,000 tCO₂e/year. Reference: AP-HP emits 1.94 MtCO₂e/year, or 312 kgCO₂e per inpatient day.
Read the source article: A hospital's Bilan Carbone®: which categories weigh most?
