UK, Belfast City Hall has become the first building in Europe to install a new intelligent lighting system, with its LED floodlighting becoming the biggest single building project of its kind in Europe.   The council says it will help reduce both the energy bill and CO2 emissions, saving around £14,000 on the annual electricity bill.   The hall uses 433 light fittings, individually controlled, meaning the city hall can be illuminated by up to 16m different colour options. The council plans to light up the building for different occasions, such as green ...