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Environmental groups say three mines near Grand Canyon National Park pose a significant threat to public health and the canyon’s ecology. The groups want…
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The City of Prescott has reached a settlement with environmental regulators over new pollution limits for Watson Lake. The agreement requires another look…
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State environment officials say tourists heading to Lake Powell for the Labor Day holiday need not worry about the quality of the water following a mine…
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Arizona environmental officials say they don’t expect the Gold King Mine spill to have any negative impacts to the state’s watershed. As Arizona Public…