Dirty air spoiling Arizona national parks. Pollution in urban areas is fouling the air in Arizona's national parks, and plants, animals and human visitors could be hurt in the long term, according to a recent report from the National Parks Conservation Association. [News Source]

Study on proposed plants shows wind direction would be a factor. The long-awaited results of a state-sponsored study appear to dismiss industry claims that building 17 power plants will not degrade air quality in Dallas-Fort Worth. [News Source]

Judges: Coal plant is not up to snuff. Texas state administrative judges this week recommended regulators deny an air quality permit for Oak Grove, a massive coal-fired power plant planned for Robertson County. [News Source]

Sierra Club appeals local judge’s decision. The Sierra Club yesterday appealed a judge’s recent ruling on City Utilities' permits for its proposed Southwest II coal-fired power plant in Springfield, Missouri, arguing that there have been numerous, substantive errors in the permitting of the facility. [News Source]

Lime plant settles air pollution charges. Western Lime Corp. has agreed to pay $45,000 to settle charges that its lime production plant in Green Ba, Wisconsin violated state air pollution control laws. [News Source]

Western Lime will pay $45,000 to settle air pollution lawsuit. A Green Bay business agreed to pay $45,000 to settle a lawsuit over air pollution violations, Wisconsin Attorney General Peg Lautenschlager announced Thursday. [News Source]

Federal agency reviews Rubbertown air. Putting its own stamp on Louisville air monitoring in 2000 and 2001, a federal health agency has concluded the Rubbertown area poses only a "low" cancer risk to residents nearby. [News Source]

Emissions’ cancer risk called low. A new federal assessment of air quality in the Rubbertown area presents a much rosier picture and is likely to add fuel to the debate over Louisville's efforts to curb toxic air. [News Source]

Businesses join air-quality push. American & Efird, in its effort to improve air quality in the Charlotte, North Carolina region, may offer employees stamps, check cashing, and dry cleaning drop-off. Fewer car trips during lunch breaks, fewer pollutants in the air. [News Source]

Government wins round in pollution fight. The Supreme Court's decision could affect up to 17,000 industrial plants and the unhealthy air breathed by 160 million Americans. [News Source]

Tougher air quality rules could save lives. Thousands of deaths could be prevented every year if Canada were to adopt tougher air quality standards, according to a new report from the David Suzuki Foundation. [News Source]