Air pollution

The dry conditions in California have only worsened winter haze, so regulators are implementing burn bans to prevent soot from accumulating.

A Chinese man in a northern city is suing the government for the choking pollution that has settled over the city, arguing that the government failed in its duty to protect the environment.

The current emergency in Shanghai comes at the end of a year in which China’s environmental crisis reached a tipping point.

An influx of nitrogen-based compounds, usually from industrial agriculture, fuel exhaust and power plants, is blanketing national parks around the country, potentially disrupting their ecosystem.

Air pollution may be responsible for more than 2 million deaths around the world each year, according to a new study. Air pollution has been linked with heart problems such as heart and lung diseases

Wildfires burning on Sumatra have sent a choking haze over Singapore.