U.S. counties with hog and cattle feeding operations may be subject to higher air pollution levels, while lacking the health ...

Here's why air pollution levels often rise in summer and learn safe, practical tips for exercising when air quality is poor.

Smokestacks at sunset in January 1992. In her letter to the editor, Catherine Widemire of the American Lung Association urges ...

There are more than 15,000 cattle and hog feeding operations in the United States. These operations rear 70% of the country's ...

Researchers mapped the nation’s animal feeding operations and argued their findings make the case for stricter air ...

Air pollution is a significant global challenge, with cities suffering its impact in terms of public health and the ...

Cardiovascular diseases comprise a broad range of disorders affecting the heart and blood vessels, including myocardial ...

Poor air quality could keep tens of thousands of U.S. students out of school for weeks each year, according to new research ...

Communities supporting America's meat industry have worse air quality and more vulnerable populations compared with similar ...

At 9:10 a.m. on Tuesday, the Nation Service reported an updated air quality alert in effect until 11 p.m. for Morris, ...

British researchers say data from more than 29 million people across four continents strengthens the evidence of a link ...

America’s national parks are beloved for their extraordinary landscapes and rich cultural and historical significance.