Don’t fight the dark: Five simple ways to cut down on light pollution


April 30, 2014
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When you visit the George Observatory, you’ll notice signs that say, “Please no white lights.” You’ll also see that all our outside lights are red. The reason we do this is to fight light pollution and create a dark-sky-friendly environment (or at least as dark as we can this close to Houston). 

Despite our best efforts, the surrounding area is slowly losing its dark skies. This is unfortunate, and not just for those of us who love to stargaze. Too much light at night is also bad for animal migrations, human sleep patterns, and even personal safety.

So what can we, as individuals, do to fight light pollution?  Here are five simple things:

1. Turn off all unused lights
Your dad was right: leaving lights on when you’re not using them is just throwing money away. So when you leave an area, make it a habit to turn the lights off.

2. Shield all outside lights
Outside lights should serve one purpose: to show you where you’re going. So why do so many people insist on lighting the underside of passing airplanes? We encourage you to invest in light shields. They will help with light pollution and save you money.

3. Don’t over-light
When installing outside fixtures, consider the best wattage for your needs. You want enough light to see where you are going — anything else isn’t helping you see . Also, your neighbors will appreciate you not flooding their bedrooms with light.

4. Avoid ornamental lighting
It’s wonderful that you’re proud of your home, but remember what we said about light pollution and crime. When you overuse ornamental light, you may feel like your house is more secure; however, you’re actually making your property a target for thieves.

5. Spread the word!
Now that you know the dangers of light pollutions, share that information with others. There are many websites that will help you and your friends protect the night sky, like the International Dark Sky Association.

Knowledge is power, and we all need to do our part to keep the stars at night big and bright deep in the heart of Texas!

To see the best dark skies in the Houston area come out to the George Observatory! From there you can see stars, galaxies planets… almost anything in space. And what’s more, we want to help you see everything out there better, so bring your telescope out for our telescope classes. The next one’s coming up this Saturday, May 3 from 5 p.m. to 7 p.m

Josh
Authored By Josh Rohn

Josh is the Facilities Manager at the George Observatory.

2 responses to “Don’t fight the dark: Five simple ways to cut down on light pollution”

  1. PDiddie says:

    I have too many neighbors that leave porch lights, corner spotlights, ornamental lights, etc. on all night long. Just drives me crazy.

  2. Great article and infographic. As a photographer in love with the stars I cant stand light pollution.

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