Telegraph: Customers have commented that branches of the hardware chain seem unusually dim since Home Retail Group, owner of Homebase and Argos, ordered stores to start cutting their carbon footprint. A quarter of the lights are reportedly switched off in certain stores whenever the sun comes out, in an effort to cut the company’s power consumption. The Homebase "Switch it off campaign", which began a year ago, asks individual stores to make energy savings wherever possible, for example …