The president exempted a copper smelter in Arizona from air-quality rules. An E.P.A. official guided the company that sought ...

Pennsylvania is still cleaning up decades’ worth of coal mining pollution. Now it must also contend with millions of tons of ...

Air pollution in the Iranian capital has reached dangerous levels, leading authorities to close schools and ban truck travel. Official statistics state that unsafe air contributes to tens of thousands ...

Air pollution has reached "alarming" levels in the Iranian capital, Tehran, leading authorities to close schools and universities and ban truck travel in the region in the latest environmental crisis ...

Mumbai: The air pollution in Mumbai continued to be under haze, smog, with several pockets of the city recording deteriorating levels of air quality. At around 1.51 PM, the air quality readings placed ...

Mumbai: Mumbai woke up on Tuesday to a mild and noticeably cooler morning, with minimum temperatures dipping just below 23°C. Early risers stepped out expecting a pleasant start to the day, but many ...