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Reducing scope 3 carbon emissions in gastrointestinal endoscopy: results of the prospective study of the ‘Green Endoscopy Project Würzburg’

碳足迹 消耗品 范围(计算机科学) 医学 温室气体 业务 环境科学 运营管理 计算机科学 工程类 营销 生态学 生物 程序设计语言
作者
Dorothea Henniger,Thomas J. Lux,Max Windsheimer,Markus Brand,Alexander Weich,Theodor Kudlich,Katrin Schöttker,Alexander Hann,Alexander Meining
出处
期刊:Gut [BMJ]
卷期号:: gutjnl-331024 被引量:4
标识
DOI:10.1136/gutjnl-2023-331024
摘要

Objective Carbon emissions generated by gastrointestinal endoscopy have been recognised as a critical issue. Scope 3 emissions are mainly caused by the manufacturing, packaging and transportation of purchased goods. However, to our knowledge, there are no prospective data on the efficacy of measurements aimed to reduce scope 3 emissions. Design The study was performed in a medium-sized academic endoscopy unit. Manufacturers of endoscopic consumables were requested to answer a questionnaire on fabrication, origin, packaging and transport. Based on these data, alternative products were purchased whenever possible. In addition, staff was instructed on how to avoid waste. Thereafter, the carbon footprint of each item purchased was calculated from February to May 2023 (intervention period), and scope 3 emissions were compared with the same period of the previous year (control period). Results 26 of 40 companies answered the questionnaire. 229 of 322 products were classified as unfavourable. A switch to alternative items was possible for 47/229 items (20.5%). 1666 endoscopies were performed during the intervention period compared with 1751 examinations during the control period (−4.1%). The number of instruments used decreased by 10.0% (3111 vs 3457). Using fewer and alternative products resulted in 11.5% less carbon emissions (7.09 vs 8.01 tons of carbon equivalent=tCO2 e). Separation of waste led to a reduction of 20.1% (26.55 vs 33.24 tCO2e). In total, carbon emissions could be reduced by 18.4%. Conclusion Use of fewer instruments per procedure, recycling packaging material and switching to alternative products can reduce carbon emissions without impairing the endoscopic workflow.
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