Pollution

RSPB boss sorry for post calling ministers 'liars'

Business owner fears 'massive impact' of Ulez

Do clean-air zones like London's Ulez work?

Ulez: What does it mean for counties around London?

Air pollution fall seen in three road areas

The indigenous groups fighting the quest for 'white gold'

BBC Inside Science. What makes a healthy river? Audio, 36 minutesBBC Inside Science

London's journey to Ulez expansion

'We're testing water for our children'

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