Michael Greenstone, an economist at the University of Chicago specializing in pollution and climate change, delves into the hidden impacts of air pollution on cognition. He highlights alarming stats linking pollution with decreased mental performance, particularly in adults under 50, while weaving in humorous gameplay anecdotes. The conversation draws attention to the long-term toll of bad air, evidenced by case studies like China's, and urges urgent reforms to combat this silent threat to productivity and well-being.