Journalist Beth Gardiner travels to places like China, India and Poland to examine the impacts of toxic air, and the possible solutions for fixing a global health crisis.
Pollution controls damaged by a Christmas Eve fire at a U.S. Steel plant near Pittsburgh are working again. But many people who live in the area are still feeling the effects — and worrying about their health.
It took more than three months to fix pollution equipment damaged in a Christmas Eve fire. Without the controls, US Steel's facilities released five times the amount of sulfur dioxide as they normally are permitted to emit.
