Agence-France Presse: Prime Minister Gordon Brown has put his name to a campaign for a 10-percent cut in Britain’s carbon emissions, his office said Friday, as the list of signatories to the pledge reached almost 11,000. Brown has signed up to the 10:10 campaign in a personal capacity, his office said, as have all of his senior ministers, the leaders of the main opposition Conservatives and the centrist Liberal Democrats. Fashion designer Vivienne Westwood, actor Colin Firth, artists Anish Kapoor …