North Dakota is half-way toward its goal of eliminating human-caused sources of haze by 2064. Additional controls wouldn't make a perceptible difference or justify the cost, officials said.
North Dakota consistently meets all air quality standards, and state officials project it will meet its haze reduction goals. But the National Park Service says the state is a major polluter and should do more to control emissions.
North Dakota consistently meets all air quality standards, and state officials project it will meet its haze reduction goals. But the National Park Service says the state is a major polluter and should do more to control emissions.
North Dakota regulators, US park officials at odds over state's air quality controls inforum.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from inforum.com Daily Mail and Mail on Sunday newspapers.
North Dakota consistently meets all air quality standards, and state officials project it will meet its haze reduction goals. But the National Park Service says the state is a major polluter and should do more to control emissions.