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Minorities exposed to more contaminated air than whites

Due to pollution, a
Due to pollution, a "no burn" alert has been issued for LA, Orange County and the Inland Empire.
David McNew/Getty Images

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Researchers at the University of Minnesota have found that minorities are 40 percent more likely to breathe in air contaminated with nitrogen dioxide. They're calling it the "pollution gap."

Los Angeles ranked among the top ten metropolitan areas with the widest disparity. For more on how it affects the local community, we're joined by Irma Munoz. She is the president of Mujeres de la Tierra, an environmental nonprofit based in Los Angeles.