This Is Your Brain on Pollution (Update)

As the Trump administration rolls back environmental regulations, we revisit a 2022 episode that explored the hidden cost of an invisible threat: air pollution. SOURCES: Angela Duckworth, psychologist at the University of Pennsylvania. Michael Greenstone, economist at the University of Chicago, director of the Energy Policy Institute, co-director of the Climate Impact Lab. Stephan Heblich, economist at the University of Toronto.