Carbon Footprinting: A Guide for Hospitalists-Carbon Footprinting: Presentation Slides

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This guide by Dr. Katherine T Liu focuses on carbon footprinting within hospitalist practice, emphasizing the significance of understanding and reducing the carbon emissions associated with healthcare delivery. The U.S. healthcare sector has a disproportionately large carbon footprint, and hospitalists play a pivotal role in influencing environmental impact through clinical care.<br /><br />Key learning objectives include recognizing the three scopes of healthcare emissions—Scope 1 (direct facility emissions), Scope 2 (electricity usage), and Scope 3 (indirect emissions, particularly the supply chain)—and applying the six steps to calculate a carbon footprint: setting goals, selecting boundaries, choosing an inventory approach, identifying data sources, calculating carbon dioxide equivalents (kgCO2e), and interpreting results meaningfully.<br /><br />Two practical examples demonstrate footprint calculations: quantifying emissions for an inpatient bed day, incorporating data from utilities, waste audits, and supplies; and assessing the carbon footprint of unnecessary blood draws, including material audits and energy consumption. Methods combine bottom-up (detailed process-level) and top-down (aggregate data) approaches to balance accuracy and feasibility.<br /><br />Data sources range from institutional records to life cycle analysis databases and published studies. Limitations include parameter uncertainties, data completeness, representativeness across settings and time, and intrinsic measurement errors.<br /><br />Interpretation of results extends beyond raw emissions to benchmarking against standards (e.g., Practice Greenhealth), recognizing emissions outside healthcare (e.g., patient travel), and linking environmental metrics to healthcare quality and accessibility. Advocacy and compliance with emerging regulations, such as those in Massachusetts requiring emission reporting, are critical future steps.<br /><br />Overall, hospitalists are encouraged to integrate carbon footprinting into quality improvement frameworks, balancing environmental sustainability with patient care excellence. Additional resources provide further training on carbon accounting and decarbonizing healthcare.

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Concept Healthcare Carbon Footprint

Concept Carbon Footprint

Concept Scope 1 Emissions

Concept Scope 2 Emissions

Concept Scope 3 Emissions

Keywords

carbon footprinting

hospitalist practice

healthcare emissions

Scope 1 emissions

Scope 2 emissions

Scope 3 emissions

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inpatient bed day emissions

unnecessary blood draws carbon impact

healthcare sustainability

Healthcare Carbon Footprint

Carbon Footprint

Scope 1 Emissions

Scope 2 Emissions

Scope 3 Emissions