London

Policy Exchange calls for major information campaign and changes to congestion zone to tackle deadly air pollution

£6m scheme is the first of four planned for Loch Lomond and the Trossachs National Park

Lining cities with wall of vegetation could reduce air pollution by 30 per cent at less cost than current policies

ACM Environmental Plc to continue to turn zoo manure into compost and energy

Pledge to change your travel plans during the Olympics and you could receive free reward points

Global green business body aims to step up support for local sustainability initiatives

Portuguese security forces bring eight all-electric cars into crime-fighting duty, while Audi breaks the Nürburgring lap record

London Assembly motion says Dow Chemical's sponsorship of London 2012 damages the reputation of the games

Workers have installed half of a planned 4,400 solar panels on Blackfriars bridge

Green energy specialist releases statement confirming move designed to gain better access to institutional investors