Sources of greenhouse gas emissions can be split into scopes according to the GHG protocol. In 2018, only percent of total greenhouse gas emissions from the healthcare sector in the U.S. were attributed to the first scope, which specifically accounts for direct contributors, and these emissions were solely linked to healthcare operations. The second scope, which translates to indirect emissions from the generation of purchased energy, was responsible for a further ** percent of the total emissions in the form of electricity. All the other identified categories belonged to the third scope, which includes all other indirect emissions.
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AHRQ. (August 31, 2022). National healthcare greenhouse gas emissions in the United States in 2018, by GHGP scope [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved August 04, 2026, from /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/
AHRQ. "National healthcare greenhouse gas emissions in the United States in 2018, by GHGP scope." Chart. August 31, 2022. ÌÇÐÄÆƽâ°æ. Accessed August 04, 2026. /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/
AHRQ. (2022). National healthcare greenhouse gas emissions in the United States in 2018, by GHGP scope. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: August 04, 2026. /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/
AHRQ. "National Healthcare Greenhouse Gas Emissions in The United States in 2018, by Ghgp Scope." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 31 Aug 2022, /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/
AHRQ, National healthcare greenhouse gas emissions in the United States in 2018, by GHGP scope ÌÇÐÄÆƽâ°æ, /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/ (last visited August 04, 2026)
National healthcare greenhouse gas emissions in the United States in 2018, by GHGP scope [Graph], AHRQ, August 31, 2022. [Online]. Available: /statistics/1463482/healthcare-emissions-in-the-united-states-by-ghgp-scope/
