Bangkok was the fourth most polluted city in the world - seeing over 350 schools closed to protect the health of children.

A stream south of the Argentine capital turned a freakish vermilion this week, prompting concerns about pollution. Officials ...

Most of European Union surface water bodies are polluted by chemicals, the European Commission said on Tuesday, in a report ...

A long-duration atmospheric river is set to bring moderate to heavy rain in northern and central parts of California, but ...