WASHINGTON (AP) – A federal appeals court on Friday rejected a government-approved program used by five Western states to improve their air quality and visibility in national parks and wilderness areas.
The National Park Service’s air resources division reported earlier this month that ozone pollution is worsening at Yellowstone, Rocky Mountain, Craters of the Moon, Canyonlands, Mesa Verde and Grand Canyon national parks.
Other parks where ozone is worsening are North Cascades in Washington state, Death Valley in California, Acadia in Maine and Congaree Swamp in South Carolina, the Park Service said.
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