Light pollution: City of London to ask high-rise buildings to switch off their lights at night

London’s night-time skyline might soon look very different, as city authorities draft rules requiring skyscrapers to dim their lights overnight. The initiative will “cut light pollution and save energy”, promised the City of London Corporation, the financial district governing body. If the new plans are adopted, buildings in the Square Mile – the London area where most of its high rise buildings are clustered – will be asked to switch off unnecessary building lights after dark. New buildings will have to abide by curfews. Existing buildings will be encouraged to adopt the policy, but it won’t …

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