Air pollution

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.

Chemicals found in air pollution may be a risk factor for autism.

Increase in dust storms isn't just in Western residents' imagination.