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'You can feel the pollution in your throat'

Drivers urged to turn off engines when stationary

Low income communities breathe dirtier air - study

City-wide refill cup scheme launched

Pollution detector that does not need a lab

Call to fight pollution in brook after fish deaths

Most-polluting cars to be barred from city centres

PM urges London mayor to halt ULEZ expansion plan

Protesters demand river clean up

Brook turned white by limestone powder spillage

Newcastle city centre pollution tolls postponed

Watchdog highlights 'precarious state' of nature

'I was harassed while picking litter from a river'

In pictures: Huge foam drifts clog up town

Angler calls for pollution action to 'save' river

Polluted brook creating vile smell, residents say

Man infected with sewage-linked parasite in river

Windermere health check volunteers needed

New ULEZ raised less money than expected, says TfL

More delays to city centre vehicle charging plans

Calls for city congestion charge idea to be binned

UK's safe level for tap water too high - scientists

Clean air targets too slow, campaigners say