Times (UK): Your boss summons you to a meeting to discuss your poor performance. Your offence was far worse than absenteeism or being rude to clients. You have been detected wasting the company’s, and the planet’s, resources: last night you went home without switching off your computer monitor. This is the reality for hundreds of staff working at the London headquarters of Land Securities, Britain’s largest property company. Each night all monitors are checked and a yellow card is placed …