Air pollution

Clean Air Zone has improved city's air quality

Delhi air turns very poor but 'worst is yet to come'

Port's electric charging system gets funding go-ahead

Mumbai air worse than Delhi this week

Legal challenge told Glasgow LEZ is 'unnecessary'

Food bank pleads for CAZ exemption after 32 fines

More than £500,000 paid in Clean Air Zone charges

Driver's 'persecution' over CAZ fine

New website provides air quality advice

Ulez is two-for-one offer for London, mayor says

Historic street tops city's most polluted list

Mayor says Ulez possible as public 'educated'

Port reveals ship shore power plans

Cornwall air quality survey now open to residents

Log burner rules changed but dubbed 'bit of a joke'

Emission-based parking charges to be introduced

Free public transport offer to cut city pollution

Log burner rule change could result in £300 fines

Ulez expanded to include whole of outer London

Do clean-air zones like London's Ulez work?

Sunak hits out over Ulez but Khan says charge is vital for clean air

Air pollution fall seen in three road areas

Mayor accused of 'quashing research' on Ulez