Water pollution

'It's time we act now and save our rivers' Video, 00:02:33'It's time we act now and save our rivers'

No lasting impact found after stream is turned red

Environment body's river pollution probe 'feeble'

Council blunders cause landfill river pollution

No convictions after 45,000 fish deaths in river

Open water swimmers quitting over sewage risk

High phosphate levels in River Camel monitored

New legal duty over sewage as Lords forces issue

Sea swimmers say sewage discharge makes them sick

Sluice gate plan to improve river water quality

Sewage leaves water in dire state, campaigners say

Water company fined £540k over sewage pollution

River pollution group demands poultry firms act

Investigation after blue substance kills river fish

Costing the Earth. Canoeing the Cam. Audio, 28 minutesCosting the Earth

Giant poo emoji models floated along river

Did this huge fire kill hundreds of fish? Video, 00:01:13Did this huge fire kill hundreds of fish?

Water pollution from mines could cost Wales £282m

Stream turning blue sparks investigation

30 Animals That Made Us Smarter. Cow and sewage treatment. Audio, 16 minutes30 Animals That Made Us Smarter

Welsh technology to help US shipwreck clean-up

Beaches reopen following sewage leak

The illegal gold mines killing rivers and livelihoods. Video, 00:02:30The illegal gold mines killing rivers and livelihoods