Labor won the election on 24 November 2007, and on 3 December 2007 the Rudd Government signed the ratification of the Kyoto Protocol at the 2007 United Nations Climate Change Conference. By ratifying the Kyoto Protocol, Australia committed to keeping emissions to no more than 108% of its 1990 emissions level by 2012. Australia's ratification came into effect on 11 March 2008.