As the impacts of climate change and the transgression of other planetary boundaries on human health become evident, so is the impact of healthcare on climate change and environmental degradation. This interplay between human health and the environmental impact of healthcare increasingly emerges as a critical concern. Healthcare delivery, while aimed at preserving human health, paradoxically contributes to environmental pollution and greenhouse gas emissions, either directly from healthcare facilities or indirectly from the supply chain of healthcare goods and services.1 As healthcare professionals, we must confront this paradox, recognising the need to assume a role in mitigating the environmental impacts of our practices and also in advocating for a broader change in professional culture towards sustainability.2

While striving to adhere to the principle of ‘first, do no harm’, healthcare is an important contributor to climate change, environmental degradation, biodiversity loss, and resource depletion.3 Recent estimates suggest that healthcare activities are responsible for 2–6% of global greenhouse gas emissions, alongside other pollutants like sulphur dioxide, nitrogen oxides, and particulate matter.3 4 For the USA, this …