1. Reducing the environmental Footprint of gastrointestinal Endoscopy: European society of gastrointestinal Endoscopy (ESGE) and European society of Gastroenterology and Endoscopy nurses and Associates (ESGENA) position statement;Rodríguez de Santiago;Endoscopy,2022
2. Available: ghgprotocol.org/corporate-standard
3. Could war and the supply chain crisis affect the sustainability of gastrointestinal endoscopy and single-use endoscopes?
4. Available: www.umweltbundesamt.de/themen/wirtschaft-konsum/konsum-umwelt-zentrale-handlungsfelder/klimaneutral-leben-verbraucher-starten-durch-beim%20-%20textpart-2#bedarfsfelder
5. Available: www.iata.org/en/services/statistics/intelligence/co2-connect/iata-co2-connect-passenger-calculator/