Water pollution

The mass fish death mystery: Searching for clues

Strictest sewage targets pledged for England

Protests over Sussex sewage releases

Sewage overflow leads to beach pollution warning. Video, 00:01:02Sewage overflow leads to beach pollution warning

French anger at UK sewage dumped in sea

Calls for river clean up after E. coli discovered

Water firms face growing criticism on beach sewage

Stay away from Teesside's beaches, mayor warns

English beach sewage not monitored properly - data

Beaches closed after sewage released along coast

Warning over fish deaths due to Windermere algae

Sewage hits dozens of UK beaches after heavy rain

Swimmers told not to enter water at popular beach

Heatwave sees harmful algae spread in Windermere

Virgin Mary statue begins river pollution campaign

Tonnes of fish found dead in German-Polish river. Video, 00:00:41Tonnes of fish found dead in German-Polish river

Beachgoers told not to bathe due to algae concern

Swimming ban at beauty spot to be debated

New commission to tackle Wye pollution levels

Plans for wetlands to mitigate phosphate levels

'Forever chemicals' over safe levels in rainwater

Oysters and seagrass set to return to estuary

Bird poo pollution posters challenged by experts