EPA warns South Dakota residents to stay indoors as PM2.5 pollution hits “very unhealthy” levels, per AirNow AQI readings.

Here’s how you can start protecting yourself and those you love from obvious (and sneaky) forms of air pollution.

The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

A US study of 23.7M Medicare users found long-term PM2.5 exposure raises depression risk in seniors. Every quartile increase ...

This has been demonstrated by a new study conducted by Stanford University. Apparently, the gas stoves we use every day ...

The sweeping changes have affected everything from coal plant retirements to international diplomacy over shipping emissions.

Although the technology exists to separate these fibers for reuse, it remains in its early stages and is costly to scale. In ...

Ukrainian top negotiator Rustem Umerov said he will meet with US counterparts on Sunday, as a third day of talks to end the ...

I read about the great concern being raised by declining populations in a number of countries, and the negative impact it has ...

As toxic smog chokes Indian cities, a new global energy transition study underlines how far India is from a fossil-free ...

Air quality in U.S. cities is measured primarily by the Air Quality Index (AQI), which focuses on ground-level ...

Mercedes distributed over 211,000 passenger cars with software used to circumvent emissions laws, according to the Attorney ...