Greenpeace: We have lift-off

Yesterday, instead of spending their energy fighting each other for the support of Londoners, all four mayoral candidates - representing Labour, Conservatives, Lib Dems and the Greens - have joined forces to fight the expansion of Heathrow. In an advert published this morning in several newspapers Ken Livingstone, Boris Johnson, Brian Paddick and Sian Berry slam the government's plan to almost double the number of flights in and out of Heathrow.