We provide detailed empirical evidence of a direct effect of air pollution on the efficient operation of the New York Stock Exchange, linking short-term variations in fine particulate matter (PM2.5) in Manhattan to movements in the S&P 500. The effects are substantial - a one standard deviation...

This study examines the relationship between wildfires and mental health-related hospitalizations in Canada from 2006 to 2018. Most previous estimates of the mental health costs of wildfire have focused on the impacts of exposure to PM₂.₅. We break new ground by highlighting other pathways...