London Mayor

Crop-to-mouth carbon footprint from capital's food consumption totals 19 million tonnes a year

Local councils to assess cost-effectiveness of free green service for social housing blocks

Firms told to get on board with London's environmental schemes or risk appearing on a "non-green 300" list

"I don't want to buy another internal combustion engine," says Mayor

Critics slam mayor for undermining newly-unveiled green strategy

Decentralised combined heat and power plants to deliver a quarter of London's power by 2025

Mayor says he will contribute £15,000 to local authorities' planned legal challenge, if Heathrow expansion is given green light

London Mayor claims increasing London's public transport capacity holds key to driving economic growth and combating climate change

Proposed airport in Thames estuary would cut noise and air pollution, and perhaps even promote rail travel

New strategy expected to focus on the carbon savings that can be delivered through recycling