Billions upon billions of soot particles enter Earth's atmosphere each second, totaling about 5.8 million metric tons a year—posing a climate-warming impact previously estimated at almost one-third ...

Carbon particles are present in many aspects of our daily lives. Soot, which consists of tiny carbon particles, is generated when energy sources such as oil or wood are not completely burned. Soot ...

The US Environmental Protection Agency has finalized a key update to the federal air quality standard for fine soot – a step toward reducing deadly air pollution that’s been over a decade in the ...

From the top of a plane wing, another airplane is seen flying above clouds in a blue sky, leaving a contrail in its wake. In spring 2023, scientists aboard a research aircraft chased an Airbus A321neo ...

Cells taken from the lungs of people with chronic obstructive pulmonary disease (COPD) have a larger accumulation of soot-like carbon deposits compared to cells taken from people who smoke but do not ...

Dense smoke from Canadian wildfires is drifting across the U.S., canceling flights and sporting events, and threatening severe health problems for millions of Americans. Chicago's air quality now ...