Two more links that people may find interesting.
The first is about the parliament having second thoughts on the smart metering rollout for a number of reasons such as security/privacy and cost-benefit concerns (will smart meters result in widespread behavioural change that will make up for their cost) http://spectrum.ieee.org/riskfactor/energy/the-smarter-grid/parliament-predicted-benefits-of-uk-smart-metering-program-overblown
The second is about the new generation of LEDs that is about to get introduced into the market by Phillips and has interesting potential on energy reduction/sustainability http://spectrum.ieee.org/green-tech/conservation/led-bulbs-for-less