utenzi

Home wind turbines turn fashionable in Britain A mere breath of a breeze disturbs the quiet of autumn in south London and the wind turbine on the gable of Donnachadh McCarthy's home turns lazily. The morning sun casts shadows from solar panels onto the walls of the house and filters through the windows into his living room. "I'm in surplus. I am now providing money to the grid," he said with a grin, gesturing at a red light winking on the wall that marks the progress of his domestic power station. "I have exported 20 percent more electricity than I've imported this year ... the average carbon footprint is 8.5 (metric) tons in the EU, whereas mine is less than half a ton." McCarthy has long tried to stay at the forefront of British green power generation. When I first bought my house 3 years ago I looked into buying a wind turbine but it was way too expensive at that time. Over $10,000 for something big enough to do any good and with an additional...