Dark skies

This isn’t my content, but I wanted to mention an important issue:

It never really gets dark anymore in population centers, which studies show affects human and animal health. We can change that with:

Good lighting (not wasted lighting) that provides security for people but:

points downward

is amber in color

With such lighting, we can increase safety and savings by eliminating glare.

Here’s more on that topic from PBS It’s Okay to Be Smart, “Why We Are Losing The Night Sky.”

The video below is from McDonald Observatory with the University of Texas at Austin. It’s in the West Texas desert in the town of Fort Davis, near Big Bend National Park.


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Catherine B. Arnold is a hired pen writing about science, health, urbanism, and wildly unrelated areas. She’s published articles in the Washington Post, Seattle Times, Science Careers, Bicycling, and NBC Health; and does content marketing for NGOs, universities, organizations, and companies.