Clearing the Air in Mexico City

Living on Earth
The World
Reporter Bebe Crouse profiles Mexican environmental activist Luis Manuel Guerra. Among Mexico's most well-known figures, Guerra has been on a seven-year crusade to clean up Mexico City's notoriously polluted air. An outspoken critic of the Mexican government, Guerra also blames the city's residents for the problem, which recently reached emergency proportions.
Sign up for our daily newsletter

Sign up for The Top of the World, delivered to your inbox every weekday morning.