BBC: UK government departments are not on course to meet their own targets for reducing carbon emissions, according to the Sustainable Development Commission. The government’s environmental watchdog warned that more needed to be done if emissions were to be cut by 12.5% from 1999-2000 levels by 2011-12. In an assessment, it called on the government estate to “lead by example”. But the commission said departments had made good progress in some areas, particularly waste …