EU rebuts mayor Boris's claim that the majority of London's PM10 breaches are caused by pollution drifting across the continent
EU vice president Siim Kallas will be asked to tighten rules to prevent pollution blowing across the continent
Green groups doubt London's pledge to create "greenest games ever" as sustainability watchdog says event will miss renewables goal
London is 190,000 homes short of pledge to make 200,000 homes more energy efficient
Mayor denies u-turn after government releases Department for Transport savings to help improve capital's air quality
BusinessGreen outlines the discount packages offered to businesses affected by phase three of the LEZ
Mayor Boris says he is investing in enough pollution-busting measures to avoid an EU fine, but are his air quality plans helping green firms?
Boris Johnson tells London Assembly the capital will avoid £300m fine from European Commission for exceeding pollution limits
Mayor to face questions from London Assembly after receiving temporary exemption from EU's air quality standards