Toxics in the air from urban wildfires may include dioxins, asbestos, and lead. But testing, until recently, for these air ...

A coalition of environmental and health groups is pushing for more community decision-making power in Allegheny County when ...

To improve air quality, it is important to know what contributes to polluting the air. Haze comes from a variety of sources. Your skies may be hazy from local traffic, or industry such as for example ...