"For instance, if all the 35 turbines operated by xAI were using" add-on air pollution control technology "to achieve a NOx emission rate of 2 ppm"—as xAI's consultant agreed it would—"they ...

The Canadian wildfires are expected to track east and south, expanding in Michigan as Sunday goes on and additional smoke is expected Monday.

But other researchers say this conclusion is based on shaky foundations, and we still don’t know how much reductions in air pollution are contributing to global warming. Hansen’s conclusions ...

Zeldin also announced that the agency will move to repeal updated limits to the Mercury and Air Toxic Standards rule, which restricts the amount of pollutants that can be emitted by coal and ...

A new report on air quality across the U.S. offers a cloudy prognosis on the long-term health of about 156 million residents who live in areas that received an "F" in smog and soot pollution.

The place may not be on the official list of pollution hotspots of the capital, but even as the city struggles with bad air, a new dust bowl has emerged at Khyber Pass near Delhi University in ...

The toll of air pollution also extends beyond public health. Asthma-related hospitalizations and missed work or school days cost the city millions of dollars each year.

Air pollution used to be much worse In October of 1948, a thick, choking smog settled over the small Pennsylvania town of Donora. The town was home to two steel plants.

Federal actions like the 1970 Clean Air Act and the 1972 Clean Water Act helped regulate water and air pollution.