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
Industry insists outlook remains upbeat, but credit crunch and rising construction bills are prompting growing numbers of developers to review projects
London Mayor claims increasing London's public transport capacity holds key to driving economic growth and combating climate change
Transport for London providing £550,000 of funding to help drive adoption of car clubs
Abu Dhabi investment fund takes 20 per cent stake in world's largest offshore wind farm project as part of wide-reaching partnership with E.ON