Heerenveen is one of the darkest cities in the Netherlands

Besides Heerenveen, darkness also reigns in Stadskanaal, Dronten and Emmen. The cities with the most light are Amsterdam and the region of Delft, The Hague, Zoetermeer and Rotterdam.

Research examined rising light for six years. This is measured from a great height by the Suomi Nuclear Power Plant. "After years of enlightenment each year, the Netherlands seems to have reached a turning point," according to the report by Natuuren Milieufederaties

The light emission decreases here

In Fryslân, besides the Emission of light decreases the fastest. In the provinces of Overijssel, Drenthe and Groningen, light emissions actually increase.

The question of whether it will become even darker in the Netherlands in the coming years largely depends on the companies. Governments are already doing their best. "They make sure to turn them off and on as much as possible, but because of the low cost of LED lighting, some companies tend to leave the lights and commercials on all night."