New studies from Germany and Hong Kong pinpoint specific sources of light pollution keeping our cities excessively bright at ...

Light pollution is increasing worldwide, leaving a significant impact on our wildlife. Artificial light at night, also known ...

Light pollution is artificial brightness in the night sky produced by lights ; ... Here is an example with two photos of the constellation Orion, one in a dark sky area, the other near Provo, ...

Light pollution has been increasing rapidly since the 1970s, posing a threat to the health of humans and wildlife. ... Andia/Universal Images Group via Getty Images. Key Facts.

Light pollution is artificial brightness in the night sky produced by lights ; ... Here is an example with two photos of the constellation Orion, one in a dark sky area, the other near Provo, ...

Light pollution can negatively affect people and animals. ... Here is an example with two photos of the constellation Orion, one in a dark sky area, the other near Provo, ...

New LED lights may be causing more light pollution, washing out our view of the stars 07:49. America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it ...

Astrophotographers criss-crossed US to draw attention to light pollution. They collected their photos in book "Skyglow" CNN — It started as a hobby. It’s evolved into a cause.

By painting with light to create impactful images, we provide people with an easy-to-understand way of comparing air pollution in different contexts -- making something that was largely invisible ...