Smog | featured news

Beijing schools kept children indoors and hospitals saw a spike in respiratory cases Monday following a weekend of off-the charts pollution in China's smoggy capital, the worst since the government began being more open about air-quality data....

President Barack Obama on Friday sacked a controversial proposed regulation tightening health-based standards for smog, bowing to the demands of congressional Republicans and some business leaders.

Deaths in Moscow have doubled and are now averaging 700 people a day amid a sweltering heat wave and poisonous smog from wildfires, a top Russian health official said Monday.

Ozone blowing over from Asia is raising background levels of a major ingredient of smog in the skies over California, Oregon, ...

Utility companies, refineries and factories may have to spend up to $90 billion to meet new smog standards proposed by the Environmental ...