Agence France-Presse: British ministries are lagging significantly behind government targets to cut their own carbon emissions, a parliamentary watchdog warned Monday. According to a report by the House of Commons Environmental Audit Committee, departments and ministries had lowered their emissions by four percent by 2006-07 compared to 1999-00 levels, against a target of a 12.5 percent reduction by 2010-11. It said that the government was relying too heavily on purchasing carbon offsets, and not …