The world is using more energy because of LED lighting

It is wholly a confusion to suppose that more efficient lighting leads to diminished consumption. The evidence from space says otherwise.

Milky Way now hidden from one-third of humanity

The Milky Way, the brilliant river of stars that has dominated the night sky and human imaginations since time immemorial, is but a faded memory to one third of humanity according to a new global atlas of light pollution.

How will the cities of the future be lit?

From the medieval candle to phosphorescent trees and glow-in-the-dark concrete, Daryl Mersom charts the trajectory of urban light, and asks how the problem of light pollution can be tackled in the modern era