Heavy metal pollution appears to be indicated particularly in the tail feathers.

A story about metal pollution at a grammar school becomes "Toxic Tots."

Previous studies have indicated substantial heavy metal pollution in the city's water bodies including streams.

The widespread use of batteries has created many environmental concerns, such as toxic metal pollution.

The extent and nature of the heavy metal pollution is considered a state secret.

The mining activities in the area further contributes to the heavy metal pollution.

Only the heavy metal pollution could be reduced strongly.

Appalling heavy metal pollution in China producing parts for windmills.

The plant has the ability to absorb a certain amount of heavy metal pollution, such as lead, from contaminated water.

There is an enormous amount of literature on the subject of heavy metal pollution, and analysis of natural waters.