The term "environmental racism" originally referred to as the dumping of hazardous wastes in or near communities of color. It now means much more than that. NPR's Tavis Smiley takes a closer look at how the so-called "environmental justice" movement has evolved with Barry Hill, director of the EPA's Office of Environmental Justice, and Vernice Miller-Travis, co-founder and board member of West Harlem Environmental Action.
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