Yale Environment 360: Last month, France -- including the City of Light -- grew darker late at night as one of the worlds most comprehensive lighting ordinances went into effect.
From 1 a.m. to 7 a.m., shop lights are being turned off, and lights inside office buildings must be extinguished within an hour of workers leaving the premises. The lighting on Frances building facades cannot be turned on before sunset. Over the next two years, regulations restricting lighting on billboards will go into effect. These rules...