London Mayor

Highest levels of carbon monoxide found in areas encompassing Great Ormond Street Hospital, Ladbroke Grove and parts of the West End

London's £10 levy on the most polluting cars highlights how bold regulation can help stimulate new markets

From today the dirtiest cars will have to pay an extra £10 to enter London's city centre, giving the capital the toughest emissions standard in the world

By the end of the year EV drivers will be able to power up in less than 30 minutes at 10 Shell petrol stations across London, Derby and the South East

All areas of London exceed recommended limits for air pollutants according to "sickening" new data from Mayor's office

London Assembly Conservative group urges greater investment in charging infrastructure to support rapid uptake of electric vehicles in capital

Deputy Mayor for Environment and Energy Shirley Rodrigues says new plan will set direction for post-Brexit strategy across UK - but does City Hall have the power to realise its bold vision?

New Environment Plan also includes push for more 'green infrastructure' to improve flood resilience of the capital

Calls for climate action come ahead of G20 Summit next week, as 250 US city mayors defy Trump with commitment to source 100 per cent renewable energy by 2035

Capital's entire bus fleet will reach Euro VI emission standard as a minimum by 2020 under City Hall retrofit programme