Pollution

Thousands of dead eels have washed ashore in Southern China, though no one knows whether natural causes or pollution is to blame.

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.

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

Aerosols shifted tropical rainfall southward, devastating Central Africa.

Study also confirms ozone is declining, thanks to stricter vehicle emissions standards.

Exposure to air pollution in the womb may increase a child's risk of obesity.