Blimey, sounds ambitious. Hows it going?
10:10 was launched at Tate Modern on 1st September 2009 ( http://www.guardian.co.uk/environment/2009/sep/01/10-10-launch-ian-katz ) and within 48 hours, sign-ups included 10,000 individuals, 700 businesses, 50 schools, all the leaders of the main political parties, all the cabinet and the Prime Minister. As of 11th October 2009, there are now 31,305 individuals – including Colin Firth, Stella McCartney, Antony Horowitz, Lord Stern, Lord Giddens, Kevin McCloud and Sara Cox – plus more than 1,000 businesses including some very well known brands such as Microsoft, Pret A Manger, B&Q and Royal Mail.