A low-pressure area will move east of the Great Lakes and merge with another system forming along the Mid-Atlantic Coast. A ...

Six weeks after Tropical Storm Helene, sludge from roiling floodwaters has turned into sunbaked dust, brought on by an ...

“While there has been substantial research investigating the effects of air pollutants on lung disease, few studies have focused on air pollution exposure as a risk factor for the upper airway ... the ...

Native grasslands are the most threatened ecosystem in North America. A South Dakota advocacy group hopes its educational ...