The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...

Air pollution causes millions of premature deaths worldwide each year, with fine particulate matter (PM2.5) identified as a ...

Posts from this topic will be added to your daily email digest and your homepage feed. The EPA proposed tightening restrictions on soot in the air. Advocates are pushing for the agency to get tougher.

Researchers have investigated whether particulate matter from certain sources can be especially harmful to human health. They found evidence that the amount of particulate matter alone is not the ...

Between 1990 and 2019, the total annual number of premature CVD deaths and years of disability attributable to particulate matter air pollution rose by 31% worldwide. The impact of particulate matter ...

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 ...

At the outset of the pandemic, when lockdowns were widespread, a remarkable phenomenon occurred. Places that had been saturated with pollution suddenly cleared. The sky over Los Angeles turned blue.

Greenhouse gases (GHGs) may be the newest pollutant regulated by EPA, but since there are no National Ambient Air Quality Standards (NAAQS) for GHGs, a facility is much more likely to be affected by ...