The United States and Canada endured the planet’s biggest air pollution surge in 2023 — an upswing driven by the northern neighbor’s worst wildfire season on record, a report found. Canada alone ...

Add Yahoo as a preferred source to see more of our stories on Google. Flare and black smoke are seen from a chemical plant from Texas Highway 225 Thursday, March 21, 2024 in Deer Park. (Yi-Chin ...

Unlike most other pollutants, particulate matter (PM) cannot be characterized by the space- and time-variations of the mass concentrations of a single compound. Important factors influencing PM ...

Ammonia is one of the most abundant alkaline gases in the atmosphere. When released into the air, it reacts with acidic compounds to form fine particulate matter known as PM2.5, which contributes to ...

Add Yahoo as a preferred source to see more of our stories on Google. Coal-fired power plants emit both smoke and steam. Paul Souders/Stone via Getty Images When the U.S. government shut down in late ...

Despite progress in reducing emissions, Europe continues to face widespread air pollution due to policy failures and fossil fuel reliance, resulting in significant health impacts and regulatory ...

One way car manufacturers can reduce their vehicles' harmful emissions is through particulate matter filters. Particulate matter refers to the most common and harmful mixture of pollutant chemicals ...

Maricopa and Pinal counties have some of the most-polluted air in the country, according to a report by the American Lung Association, continuing a trend of worsening ozone pollution that has puzzled ...

When the U.S. government shut down in late 2018, it furloughed nearly 600 Environmental Protection Agency pollution inspectors for more than a month. Those workers had to stop their work of monitoring ...