A new guide says cities should power down to reduce the harmful effects of light pollution on all life from insects and bats to birds and turtles
‘Artificial light is doing things to the environment that we don’t even think about’
Dung beetles rely on the Milky Way for direction at night, but new research shows how light pollution is causing them to lose their bearings. This could spell danger for other nocturnal creatures, too
Brightness harms people’s and other creatures’ health, disrupts ecosystems and changes climate