All health care professionals have an ethical and professional responsibility to protect patients' health through advocacy. [1][2][3] Because human health is affected by and is dependent on the surrounding environment, health care professionals must actively work to incorporate best practices that mitigate negative environmental impact. [4][5][6] • The interdisciplinary health care community serves as a steward of the environment by seeking knowledge about climate and health effects and assessing health care work environments for opportunities to reduce waste, conserve natural resources, and prevent exposure to hazardous materials.