A new study analyzed space and time trends for fine particulate matter (PM2.5) in the continental United States to track the progress of regulatory actions by federal, state and local authorities ...

Every breath a person takes draws from a gas mixture that has barely shifted in recorded history: roughly 78 percent nitrogen ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. The chemical composition of air pollution in the United States has ...

Using conventional testing techniques, it can be challenging—sometimes impossible—to detect harmful contaminants such as nano-plastics, air pollutants and microbes in living organisms and natural ...

Fine particulate matter consists of air-polluting particles smaller than the width of a human hair. The World Health Organization estimates about 7 million people die prematurely each year based on ...

Earth is the only planet known to support life. Learn about what Earth is made of and where it came from. When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

A new study published in Atmospheric Environment by researchers at the University of North Carolina at Chapel Hill analyzed space and time trends for fine particulate matter (PM2.5) in the continental ...