Season 10, Episode 52

Listen now:

Air pollution is estimated to cause 7 million deaths a year and cost the global economy nearly $3 trillion. But is the true cost even higher? Stephen Dubner explores the links between pollution and cognitive function, and enlists two fellow Freakonomics Radio Network hosts in a homegrown experiment.

To find out more, check out the podcasts from which this hour was drawn: “This Is Your Brain on Pollution” and “The Simple Economics of Saving the Rain Forest.