Ministers had targeted a 25% cut in carbon emissions from government buildings and travel in 201 4-15 , compared to 2009-10, but achieved 22%. The failure was largely due to the Ministry of Defence, which accounts for half of all government emissions and cut its emissions by 19%.

UK government misses own green targets
http://www.theguardian.com/environment/2016/jan/11/uk-government-misses-own-green-targets