London Sustainability Week is London’s greenest festival, celebrating projects and organisations that are making a real contribution to creating a more sustainable capital. London Sustainability Weeks provides London’s residents, workers and visitors, of all ages, backgrounds and interests, the opportunity to explore and contribute to hundreds of events, showcasing sustainable projects from major campaigns to locally based events run by residents for residents. Events may vary hugely in their size or message, but what all have in common is that they are directly helping to make a cleaner, greener, healthier London.

This year’s London Sustainability Weeks will be launched at The Camden Green Fair on 3 June. Other events during the fortnight will range from schools concerts to organic food fairs, from naked cycle rides to pond dipping, from community clean ups to business seminars.

London Sustainability Weeks was first run on a small scale in 2003 (with about 50 events in one week). In 2004, London 21 received financial support for this work and expanded the event from one to two weeks. The partnership of organisations supported over 350 local events across the city. The idea of 'local sustainability festivals' is now being taken up by other UK cities and across Europe.