This document discusses climate change and its impacts on public health from the perspective of the American Lung Association. It outlines the Association's mission to improve lung health and prevent lung disease. It then summarizes the health effects of air pollution and climate change, including increased risks from ozone, wildfires, allergens and extreme weather. The document urges health professionals to educate themselves on these issues, support policies to address climate change and air pollution, and speak out through op-eds, interviews or other advocacy.