Blowing in the wind

摘要

Once restricted to rural areas - a fleeting glimpse as you motor across the countryside or stroll across a desolate beach - wind turbines are now gaining popularity in towns as a reliable and economical source of power. Energy efficiency in buildings is being propelled to new heights, with Part L of the building regulations now governing the energy efficiency of new buildings and the London mayor Ken Livingstone's plan to cut carbon emissions by 20%.