ED inhaler revolution: a simple method to substantially reduce the carbon footprint and cost of inhaler use in the emergency department.

Objectives: As global warming intensifies, the healthcare industry faces a parallel need to treat climate-related illness and scrutinize our greenhouse gas emissions. Metered-dose inhaler medications for reactive airways diseases constitute a substantial portion of healthcare emissions. Metered-dose inhalers are often overprescribed, underlabeled, and lost after a few actuations in the emergency department (ED).