Business Green: Soldiers may not be seen as the most likely of tree huggers, but the Ministry of Defence (MoD) has this week emerged as one of Whitehall’s greener departments, announcing that it has reached its target to cut carbon emissions from its estate by 12.5 per cent two years ahead of schedule. The government updated its emissions targets in 2007, requiring Whitehall departments to reduce carbon emissions by 12.5 per cent on 2000 levels by 2011, and by 30 per cent by 2020. At the time, …