South Korea has the worst air pollution among the developed nations in the the Organization for Economic Cooperation and Development (OECD).
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The U.S. space agency and the South Korean government teamed up for the most ambitious study of Korean air quality to date and found the majority of the toxic air is homegrown, and not from neighbors.
South Korea has the worst air pollution among the developed nations in the the Organization for Economic Cooperation and Development (OECD).
Ed Jones/AFP/Getty Images
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Eric Arjon practices on a circuit board at Lone Star College's new construction trades center in Houston. He is training to become a heating, ventilation and air conditioning technician.
Hansi Lo Wang/NPR
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On his podcast, Marc Maron (pictured here in Los Angeles in 2013) often asks guests what their parents do. "It's a very defining thing," he says.
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