This isn't just a Philly problem. Researchers make worrisome discovery while analyzing Philadelphia subway — here's what they ...

Experts highlight that the toxic air, laden with harmful pollutants such as ozone, carbon monoxide and nitrogen dioxide is ...

The respite from extremely toxic air did not last very long for the residents of Delhi. The city’s air quality index (AQI) ...

Delhi’s AQI reached 427, falling into the ‘severe’ category. Nine stations recorded ‘severe plus’ air quality, which affected ...

Residents of Delhi faced heavy smog and poor visibility on Saturday morning as air quality plummeted back to the “severe” ...

Delhi and its adjoining National Capital Region, including Noida and Greater Noida, has been grappling with dangerous levels ...

Opinion: Transitioning to electric school buses offers a unique opportunity to improve air, reduce noise and foster healthier ...

The proposed expansion of Oakland Airport passed another hurdle on Friday after the Port of Oakland Commission unanimously ...

In a groundbreaking development, 2024 recorded the hottest June through August on record, continuing a staggering streak of ...

For the first time in almost two decades, the rule would update emission limits of nitrogen oxides, a group of gases that are ...

In response to the proposed updated New Source Performance Standards from the Environmental Protection Agency (EPA) to address nitrogen oxides (NOx) emissions from new stationary combustion turbines, ...

BP plans to make what’s called “blue” hydrogen — using fossil fuels to make hydrogen and then storing its carbon emissions ...