The health care industry accounts for 5% of global greenhouse gas emissions, with hospitals being the largest contributor. Critical care units create 3 times the greenhouse emissions of other hospital patient care units. Health care contributions to environmental harm include medical waste disposal, toxicant exposure, and pollutants. Integrating green practices into hospitals, especially in intensive care units, can seem overwhelming, with barriers including time constraints, lack of leadership and organizational support, and ignorance of green practices. Nursing is a socially responsible discipline committed to improving the health of individuals and communities; values of environmental stewardship and the desire to minimize poor health outcomes caused by climate change do not always align with hospital policies or clinician practices. This article addresses how nurses can confront the complex environmental problems in the workplace, apply sustainability principles to develop a green nursing practice, and collectively influence the future of national and global health.
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