biostudies-literatureUnknown24(1)Hantel AGreenwall Foundation<h4>Background</h4>Healthcare delivery produces substantial emissions that contribute to climate change and harm human health. Patient perspectives on ethical dilemmas, such as tradeoffs between individual health choices and public health harms mediated by climate change, are unclear.<h4>Methods</h4>This cross-sectional survey randomly sampled adult patients across four US health systems to assess their perspectives on ethical dilemmas in climate change and healthcare delivery; results were compared to a previous nationwide survey of US-based physicians. The mailed survey was developed iteratively through pre-testing and was designed to detect a 15% difference in the proportion willing to limit treatment options because of environmental impact according to respondents' perceived impact of BMC medicine109https://www.ebi.ac.uk/biostudies/studies/S-EPMC12918491biostudies-literatureEthical dilemmas in climate change and healthcare delivery: a cross-sectional survey of US patient perspectives.PMC12918491Abel GASenay ECronin ASiegler MDuVall ASJohnston HRichie CRevette ACHlubocky FJWalsh TPNava-Coulter BGallagher EHantel AfalseEthical dilemmas in climate change and healthcare delivery: a cross-sectional survey of US patient perspectives.<h4>Background</h4>Healthcare delivery produces substantial emissions that contribute to climate change and harm human health. Patient perspectives on ethical dilemmas, such as tradeoffs between individual health choices and public health harms mediated by climate change, are unclear.<h4>Methods</h4>This cross-sectional survey randomly sampled adult patients across four US health systems to assess their perspectives on ethical dilemmas in climate change and healthcare delivery; results were compared to a previous nationwide survey of US-based physicians. The mailed survey was developed iteratively through pre-testing and was designed to detect a 15% difference in the proportion willing to limit treatment options because of environmental impact according to respondents' perceived impact of 2026-01-01T00:00:00Z2026 Jan2026-07-16T09:16:27.448Z2026-07-09T10:46:47.911ZS-EPMC129184914159363910.1186/s12916-026-04656-8