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Low emission zone timescale concerns

Wales must set out pollution plan

Government loses clean air court case

Consumer products 'affecting air quality'

Cleaning products 'affect lung health'

UK air pollutants continue decline

Chemical haze 'caused by ship'

A small scheme with big consequences?

Air pollution pledge at court case

Airport flight path 'not fit for purpose'

The street that cut air pollution. Video, 00:01:13The street that cut air pollution

Has Beijing's air quality improved?

దిల్లీలో కాలుష్యానికి ఇది పరిష్కారమా? Video, 00:01:11దిల్లీలో కాలుష్యానికి ఇది పరిష్కారమా?

Delhi trials smog-blasting cannon. Video, 00:01:04Delhi trials smog-blasting cannon

Delhi's smog-blasting cannon. Video, 00:01:04Delhi's smog-blasting cannon

Clean bus zones: Not sexy but effective

Plan to drop toll for electric cars

Babies' brains 'damaged by pollution'

NI site 'breached air pollution target'

Air pollution 'failure' court date set

Sri Lankans 'right' to take stand on smog

New Sentinel satellite tracks dirty air

Thousands run in Delhi 'smogathon' Video, 00:00:49Thousands run in Delhi 'smogathon'