Environmental risk is on the rise in Utah, but most emissions come from a single source

Utah continues to climb on a national list that ranks U.S. states by the prevalence of environmental hazards, but that rise has more to do with a single company than the state as a whole.Salt Lake City-based Kennecott Utah Copper’s emissions of potentially harmful materials — toxic heavy metals such as lead and zinc in particular — rose by nearly 20 percent in 2016, according to the national Toxic Release Inventory (TRI), issued by the U.S. Environmental Protection Agency.A spo