We are destroying half the environment in our city every 24 hours — and most of us don’t know it. You may not have noticed because you were probably asleep while it was happening. Namely, we are ...

Scientists have discovered alarming connections between sleeping with lights on and serious health problems. Even minimal ...

Timing plays a key role in determining whether turning off the lights ultimately saves energy. “Leaving the lights on might ...

During the migration, Lights Out Colorado -- a program supported by Dark Sky Colorado and the Denver Audubon -- asks residents to take simple actions to help protect the birds traveling at night: ...