Yellowstone would leave gates open to snowmobiles. Despite the conclusions from its own scientists that snowmobiles in Yellowstone continue to create unacceptable noise levels, the National Park Service released a draft plan Monday that would allow up to 720 snow machines in the park per day. [News Source]

Pollution deal to benefit area. A settlement between Kansas environmental regulators and an area manufacturing plant will yield dividends for local air pollution reduction programs. [News Source]

Sierra Club to sue S.D.’s only major coal-fired power plant. An environmental group plans to sue South Dakota’s only major coal-fired power plant for violating the Clean Air Act. [News Source]

Sierra Club suit will allege violations of Clean Air Act. The environmental group contends that a South Dakota coal-fired power plant doesn't have the required pollution control equipment and that Minnesota lakes show the effects. [News Source]

Sierra Club demands Big Stone Power Plant cut pollution. The Sierra Club in Minnesota started legal action Monday aimed at forcing the coal-fired Big Stone Power Plant on the South Dakota-Minnesota border to cut air pollution by about 90 percent. [News Source]

Lawsuit filed against Big Stone Power. The Sierra Club in Minnesota started legal action Monday aimed at forcing the coal-fired Big Stone Power Plant on the South Dakota-Minnesota border to cut air pollution by about 90 percent. [News Source]

Westchester considers emissions guides for leaf-blower usage. The Westchester County legislature's environment committee yesterday considered a proposal to force commercial landscapers to use emissions-friendly machines over the next two years. [News Source]

Heat and smoke lead to pollution warning. The Department of Health has issued a health warning due to high levels of pollution in the Sydney basin, because of high temperatures and smoke from bushfires burning around the state. [News Source]

Happy days are here again! Sustained efforts to make the Rabindra Sarovar area a pollution free zone are finally paying off. [News Source]

Study shows heavy traffic raises respiratory risks. Jakartans may be at an increased risk of developing respiratory problems because of benzene and polycyclic aromatic hydrocarbons pollution emanating from motor traffic in the city, a study says. [News Source]

Chaos in China as thick haze blankets northern countrysides. Thick fog across northern China yesterday sent scores of people to hospital with respiratory illnesses. [News Source]