Sustainable Development Report 2006-07: Custodial property / NOMS, Ministry of Justice, 14 March 2008
http://digbig.com/4wpty
"The fifth annual Sustainable Development Report, covers progress made by both the Prison Service and Custodial property in addressing its commitments, aims and targets regarding sustainable development. Some of the achievements covered in the fifth annual report include:

Piloting of inter-seasonal and ground source heat in new building projects
Meeting or exceeding more demanding targets for waste management and recycling
Continuing to reduce the consumption of water and electricity per cubic metre despite increasing prison population.
Rolling out the Prison Service Environment Manual across the remainder of the Areas
Achieving Building Research Establishment Environmental Assessment Method (BREEAM)."