Cities are swapping traditional light bulbs for more energy-efficient brighter LEDs. The rise of these blue LEDs are creating problems for our night sky and our health.
I’ve read that just adding hoods to the lights to keep light pointing downwards would help a lot with light pollution. I’m not sure why we don’t do that more
I’ve read that just adding hoods to the lights to keep light pointing downwards would help a lot with light pollution. I’m not sure why we don’t do that more
The reason we don’t do it more is cost > 0 and the people who make the decisions don’t care about light pollution.