It's often the case that we don’t have time to carefully evaluate everything in life. We often take shortcuts. If a reputable authority takes a position, it is convenient and usually safe to just ...

The health effects linked to particulate pollution exposure have been studied and documented for decades. These effects include respiratory and cardiovascular health problems and premature death. The ...

One of EPA’s six common air pollutants is particulate matter (PM); however, particular matter is actually a class of pollutants, which complicates understanding its regulation. Particulate matter is ...

Researchers have found that long-term exposure to environmental pollutants was associated with increased risk of mortality for many types of cancer in an elderly Hong Kong population. Researchers have ...

Severe fine dust pollution over Seoul and Mexico City, being composed of the same type of fine particulate matter (PM2.5), exhibits markedly different characteristics. Seoul's air tends to reflect ...

Seventy trade groups sent an October 31st letter to Mr. Jeffrey Zients who serves as Chief of Staff in the White House addressing the Clean Air Act National Ambient Air Quality Standard (“NAAQS”) for ...

Some health care experts recommend the use of N95 respirator masks to help protect against wildfire smoke. Simple dust or surgical masks do not offer the same kind of protection, they warn. (Ana B.

The United States Environmental Protection Agency (“EPA”) Clean Air Scientific Air Committee (“CASAC”) has memorialized its disagreement with the a key recommendation of an EPA staff draft policy ...