Bloomberg: The U.K. government backed maintaining limits for carbon emissions beyond 2012 under the Kyoto Protocol when the current targets expire, an effort to spur global negotiations aimed at limiting climate change. Britain is prepared to agree to new goals under Kyoto so long as legally-binding limits are also imposed on countries including China and the U.S., Energy and Climate Change Secretary Ed Miliband told reporters today. The initiative comes three months after some 190 …