Lots of great coverage of the Cambridge University research.
The Daily Mail
High street stores blowing 1bn year heating - don't shut doors
Shops slammed for leaving doors open
ITV Anglia News
Money and energy wasted
How shutting up shop can save millions
Shut doors warns Cambridge University
High street retailers wasting energy with open door policy
Energy Efficiency News
Closing the door on energy wasting
Close the door campaign....
Close the door campaign...
Shop owners can cut energy consumption by half by closing doors
Open shop doors waste 10 tonnes of carbon emissions