As showing how far under favourable conditions the reflection of light from a cloudy sky is visible, I may perhaps be allowed to mention that last night at nine o'clock the reflection of the ...

The perils of light pollution go far beyond not being able to see as many stars. Too much brightness at night can harm people’s health, send migrating birds flying into buildings, disrupt food ...

How animals are affected by artificial lighting. Light at night can both attract and repel. Animals living alongside urban environments are often attracted to artificial lights.

Light – Floating Reflection: Ingo Maurer takes place from 18 to 23 April 2023 at Porta Nuova, Caselli 11–12, Piazzale Principessa Clotilde, 20121 Milan, Italy. Back to festival guide Featured ...