charge to tackle climate change, February 12 topic * London's poor air quality tackled with launch of Low Emission Zone, February 4 topic * Campaign for Better Transport, Greenpeace and FoE applaud London gas-guzzler congestion charge rise, February 12 topic Your comment - Contribute via our Forums or a type article, or on any article via its talk page - click on 'talk' link at top of page * Mayor sets out 2008/2009 budget proposals "to continue London's 'green' revolution", January 22 Proposals include * Transport for London working with local borough councils to encourage and support the implementation of borough-wide default 20mph speed limits in all residential areas. This follows huge success in reducing casualties where 20mph restrictions have operated, and