Pollution

Toxic smog chokes Pakistan and shuts cities

Fears slow hydrogen fuel strategy threatens sector

City's air quality plan hit by further delays

Survey reveals increased pollutants at Windermere

What will plastic ban mean for takeaway prices?

'Unacceptable' harbour water remains discoloured

Local anglers say fish kill 'probably worst ever'

Angler refuses to pay bills in sewage protest

A Wake for Lough Neagh. Audio, 28 minutesA Wake for Lough Neagh

Pollution rules delaying thousands of new homes

Water firm admits years of illegal sewage spills

Maps shows worst areas for road run-off pollution

'Time for change' in push for cleaner rivers

Major oil spill exercise 'prepares for the worst'

HS2 sinkhole did not cause pollution - inquiry

Witness History. The Amoco Cadiz oil spill. Audio, 9 minutesWitness History

Pollution threatens coracle fishing tradition

Guardians of the Tweed recruited over river health

Ban on single-use plastic cutlery comes into force

Wild salmon study aims to tackle species decline

Ulez: One month on and many unanswered questions

River pollution results shocking, campaigners say

Pollution stopping bees finding flowers - study