Briefs: Stockholm

Stockholm has won the coveted European Green Capital 2010 Award. Among technology singled out as exemplary: Stockholm's huge district cooling system. http://www.youtube.com/watch?v=xNx5keD4PKA Stockholm-ArlandaAirport will build the world's largest energy-storage unit for its district cooling network and plans to become CO2 neutral by 2012. The system will reduce the airport's annual electrical consumption by around 15 GWh.