Pollution

Müller pays £100K to charity after river discharge

Steeper fines for idling car 'repeat offenders'

Students build pollution filters for classrooms

Living with water pollution in Guatemala

Fears sewage problem putting developments on hold

Campaigners slam government river bathing decision

Treatment plant in £3.6m upgrade to help river

Airlines sue Dutch government over flight cuts

Child protection referral lodged after tree felled

Bus gate plans 'disastrous' for business

Sewage-listed seawater sufficient, says councillor

River turns vivid shade of green due to pollution

Town looks for solutions to river pollution

Charging begins in city's clean air zone

Fuel spill caused by 70,000-litre diesel theft

'Toxic air caused my son's asthma attack' Video, 00:01:16'Toxic air caused my son's asthma attack'

New parking zones to prioritise residents

ULEZ expansion is anti-worker, Unite says

Clean air zone is madness, say businesses

Fears of orange harbour link to coal mining

Pollution warning over coastal landfill sites

Cambridge congestion charge: Your views