Sky flies the environmentally friendly flag

James Murdoch is well known to be an environmentalist who has converted News Corp into thinking green. In fact as chief executive of BSkyB he took the satellite company carbon neutral. "Over the past two years we've halved our footprint," he wrote in the Guardian back in September 2006. "We did this by adding small victory upon small victory, from using motion-sensitive lighting to hybrid taxis to buying only renewable energy." So how ecologically friendly was it to hire a helicopter on Saturday to fly over central London and trail a banner advertising the start of the fourth series of Lost on Sky One? Naturally, we're sure the emissions were offset.