90% of US asthma inhaler market emit potent greenhouse gases; green alternative inhalers could benefit patients and reduce emissions.

90% of U.S. asthma inhaler market (boot-shaped) emit hydrofluorocarbon gases, 1,430-3,000 times more potent than CO2, contributing to climate change. New, green alternative inhalers with no gas emissions could benefit patients and the environment. 144M metered-dose inhalers prescribed annually in the U.S. Replacing these with green alternatives could significantly reduce greenhouse gas emissions.