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Leah Hogsten | The Salt Lake Tribune Noah Miterko, left, Michael Shea, Julie Stewart and her sons Marcus, 11, and Maxwell, 7, wa Leah Hogsten | The Salt Lake Tribune l-r HEAL Utah's Noah Miterko, Michael Shea, Matt Pacenza, wife Julie Stewart and their sons Leah Hogsten | The Salt Lake Tribune Clean air activist Matt Pacenza, Executive Director of HEAL Utah is told by a Trolley Squar