New Map Shows the Dark Side of Artificial Light at Night
The greatest value of this study from Falchi and his colleagues may be the baselines it sets for policy debates about light pollution and any associated changes in the level of nighttime illumination. The atlas’s finding about the pernicious skyglow effects of blue-white LEDs, Longcore says, “is a message that incentivizing conversion to cheap blue-white LEDs is a colossal policy mistake.”