Pollution

Wetland habitat to filter sewage from overflow

Drivers win more than half of clean air appeals

Egg farmer halves pollution levels

Struggling with asthma in world's most polluted city

Campaign group display fake pollution signs

River Wye waste to be used in biochar study

Woman to swim Bristol Channel in mermaid's tail

Swimmers told to avoid sea after E.coli found

Anglers fundraise to restock lake after fish deaths

'Harrowing' day as hundreds of fish die at lake

Viking Bay pollution warning enters second day

Pollution warning issued to Viking Bay swimmers

Thousands of clean air zone fines wrongly issued

BBC Inside Science. Battles with flames. Audio, 34 minutesBBC Inside Science

Nearly 40,000 pieces of litter found on shoreline

Dairy company apologises for river pollution

Amsterdam bans cruise ships to limit visitors

Swim in North Bay, Scarborough bathers urged

Clean Air Zone charges for vans and LGVs begin

Coast-to-coast swimmer hailed for charity efforts

Welsh Water downgraded over sewage pollution

Call for extra funding to reduce river pollution

Canadian mud 'symbolic of human changes to Earth'