On this week's show, Sian Berry, the Green party's mayoral candidate for London tells us her eco-plans for the capital. But has Ken stolen her thunder?
With the furore over the government's proposed eco-towns, Guardian correspondent Martin Wainwright, visits a former Nottinghamshire colliery turned award-winning eco-village.
Larry Elliott, the Guardian's economics editor on whether a recession would be good fore the environment.
Low Carbon Man, Ben Clowney, tells us how he is getting on living in a tent as part of development agency Tearfund's carbon fast for Lent.
Our campaign of the week is walkit.com. And we hear about the latest Tread lightly pledge to help you cut your CO2.
John Vidal, the Guardian's environment editor, is joined in the studio by Sian Berry, to discuss both the week's eco-news and Sian's plans for capital, including the closure of city airport, solar panel on roofs throughout the city and giving free insulation to every home. How would she pay for all this?
Environment weekly is presented by Alison Benjamin.
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Next week's show will be presented by Lucy Siegle.
