Dark skies have value. They are a profoundly wonderful yet highly threatened natural asset.
The relevance of lighting at schools may seem easy to overlook, but both insufficient exposure to daylight and high visual demand on the eyes can adversely impact children.
Bright lighting alone does not make a space feel safe. It can blind and disorientate and create dark shadows at the edges. Tellingly, 'unsafe' places had much higher illuminance than 'safe' places.
Turning street lights off at midnight could save money, energy and help nocturnal ecosystems thrive.
The lamps that once lit London's streets have come to symbolize a certain time and place in British history.
Practical advice from an expert about lighting, decoration and furnishings.
Street lighting may not actually reduce crime – but it can make people feel safer at night.
While networked entertainment systems, automated security, mood lights and voice-controlled thermostats make homes more secure and productive, they're also just good fun.
Encouraging people to buy LED bulbs is not a long-term solution. We need lighting which is kind to the planet and our health.
A lighting revolution is underway across Africa that's occurred largely without government or donor involvement.
Innovation in small-scale solar systems and mobile money systems is giving people in sub-Saharan Africa access to electricity at a lower cost than diesel or kerosene.
That flicker in the corner of your eye isn't your imagination.
Urban greening programs need to consider the harmful impacts of artificial lighting on ecosystems. Fortunately, we can do a lot to create more biosensitive lighting.
The American Medical Association (AMA) issued guidelines for communities to reduce harmful effects of LED streetlights. A medical researcher explains what can go wrong.
There are loads of things you can do to cut your energy bills - and many don't involve stumping up any cash up-front at all.
Eighty percent of North Americans can no longer see the Milky Way at night. But the problem with light pollution isn't just about stargazing.
New research shows that street lighting changes the activity of moths, and is likely to disrupt nocturnal pollination.
While the Paris climate talks focus on technical fixes, no one talks about how we're much more afraid of roughing it than ever before.