EPA is tightening a key air pollution standard for the first time in more than a decade, overturning a Trump-era decision to leave soot regulations unchanged. Direct and indirect sources of airborne ...

The exhaust from diesel-fueled vehicles, wood fires and coal-driven power stations contains small particles of soot that flow out into the atmosphere. The soot is a scourge for the climate but also ...

NASA scientists say soot, mostly from diesel engines, is causing as much as a quarter of all observed global warming by reducing the ability of snow and ice to reflect sunlight. Their findings on how ...

The decision of just how much to tighten the standards now lies in the hands of EPA Administrator Michael Regan, who plans to move forward with a proposed rule by this summer. The decision has been ...

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 ...

The longstanding mystery of soot formation, which combustion scientists have been trying to explain for decades, appears to be finally solved, thanks to new research. The longstanding mystery of soot ...

A massive simulation of soot's climate effects finds that basic pollution controls could put a brake on global warming, erasing in a decade most of the last century's temperature change. Compared to ...

Q: We have a modified two-story home. The carpet in the upstairs bedrooms has a dark 1-inch stain on the edge above our garage. Our carpet is 18 years old, and we will probably replace it in the next ...

Cooking gas shortages in Gaza force families to burn wood and plastic, exposing mothers and children to dangerous smoke.