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Local sustainability initiatives
Please see our local pages via the London category, where of course you can share any more information you may have about local sustainability initiatives.
Initiatives by topic
London topics with their own wiki page listed under See also
Arts, sport and culture
GoodGym, helps people get fit by doing good - London buses: one bus at a time - Magnificent Revolution, Bike Power People - Platform, describes itself as "bringing together environmentalists, artists, human rights campaigners, educationalists and community activists to create innovative projects driven by the need for social and environmental justice, (Wikipedia)
Wikipedia: London, Sister cities
London is a member of the C40 Cities Climate Leadership Group
Community and voluntary action
Know Where To Go, online directory of support services for women dealing with domestic violence, rape, forced marriage, trafficking and prostitution - CommunitySafe.gov.uk, real-time advice and information
more video: Cycle Vision 4mins Online
Education for sustainability
Explore South East London's Green Chain
Reduce, reuse, repair and recycle
Room for Tea, a new kind of home sharing network
Sustainable transport activism
Electric vehicles: Source London information about London's electric vehicle charging network
Towards sustainable economies
Trees, woodland and forest
It has been managed as a community forest since 1990. The forest centre is located near Upminster and is surrounded by 56 hectares (140 acres) of new woodlands, meadows and ponds. W
May - August National Park City Launch Season London National Park City
Jul 20 - 28 Sat-Sun National Park City Festival London National Park City
Oct 27 Draft Environment Strategy - Community Engagement Event by Mayor of London eventbrite.co.uk
Jul 31 London Permaculture Festival
May 17 - June 8 Chelsea Fringe
Early June London Green Fair
August 26 (Bank Holiday) The Environmental Fair, Carshalton, South West London. Organised by EcoLocal with a team of volunteers, showcasing local sustainability initiatives. On average around 10,000 people attend and enjoy a range of entertainment, food and stalls
see also Food London
News and comment
See separate article: London news
Apps for sustainability
Citizens data initiative
Environment quality: A recent study from King’s College in London estimated that, in London alone, roughly 9,500 premature deaths each year are linked to high levels of air pollution. 
London Mayor's Office and Spacehive
The London Mayor's Office has teamed up with the U.K.-based civic crowdfunding service Spacehive to support community driven initiatives throughout the city.
Local groups placing projects on the platform can apply for a pledge from the Mayor of up to £20,000 ($25,960). The "Regeneration" office (which belongs to the Greater London Authority) uses several criteria to judge the projects. Their endorsement not only gives a direct financial boost, but also makes the projects more visible and credible for other potential donors, thus attracting more and bigger donations. The city government assists in other ways as well, such as setting up meetings with key stakeholders and helping project initiators to find good consultants to maximize impact and to support delivery. The goal is to innovate with a limited amount of money, empower people to participate in developing the city, and promote citizen power and new forms of engagement.
According to the city of London's website, 57 projects have been supported in the first three rounds; with £800,000 ($1.03 million) worth of pledges made by the Mayor, leveraging more than £900,000 ($1.16 million) of crowdfunding match from more than 6,000 backers. Campaigns backed by the Mayor had a 95 percent success rate, compared to a 47 percent average success rate for those that did not get such support.
Initial evaluation has revealed significant social impact. Local groups delivering projects have cited increased civic pride, skill development, new community bonds and improved knowledge of the planning and development process as consequences of the program. 
Learn more from:
Cycling: Central London Grid
Education: London Sustainable Schools Map
Environment quality: How polluted is my road?
Trees, woodland and forest: Map of London trees maintained by local authorities