Pollution

The actor urged MPs to back a national testing programme to make sure historic toxic dump sites were safe.

One of the world's most important routes for birds runs through eastern Turkey's wetlands. Without painstaking effort by a team of birders, they're at risk of turning into dustbowls.

Testing of the River Stour in Christchurch revealed a huge jump in bacteria levels in mid-August.

The teenagers were attempting the record to raise awareness about the UK's sewage issues.

Dozens of people contacted BBC Wales following coverage of Sheen's investigation into chemical giant Monsanto.

An environmental group reports E. coli readings have "spiked alarmingly" in Dorset.

One scientist says there are thousands of sites across the UK that need investigating.