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Wild swimmers concerned about E. coli in rivers. Video, 00:01:39Wild swimmers concerned about E. coli in rivers

River metal pollution tackled by £9m scheme

Metal-mining pollution impacts 23 million people

Rivers help chart London's pandemic health

Get a grip on pollution rules, government told

Wye tributary pollution above target - campaigners

Calls for action after ³ÉÈË¿ìÊÖ News report on sewage

Student 'caught E. coli after sea sewage spill'

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'

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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