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Wednesday, August 17, 2022

Does Lighting Your Property Actually Make It Safer?

Humans tend to fear what lurks in the dark, so it’s only natural our survival instinct bends toward illuminating our property. But does copious lighting really keep the bad guys away and make your home safer? It depends.

“The most common misconception is that more light means less crime, but that is not supported by the data,” says Lt. Ryan Darr, who oversees criminal investigations at the Flagstaff, Ariz. Police Department. “Lighting can illuminate a potential target just as easily as it allows a legitimate user to see a potential threat or criminal.”

For more than two decades, Flagstaff has examined nighttime safety in a new light. As the world’s first certified International Dark Sky Community, city police partner with experts like Christian B. Luginbuhl, the president of the Flagstaff Dark Skies Coalition, to improve safety while mitigating light pollution.

Luginbuhl says there’s no consensus among scientific studies examining light and crime.

“Sometimes lighting may decrease crime, sometimes it may increase it,” says Luginbuhl. “The U.S. Department of Justice has concluded that the benefits of lighting are uncertain, even though many feel quite [unjustifiably] certain of the benefits.”

While solutions are ever-evolving, there are reliable ways to determine if your lighting is helping or hurting your safety. Here are some recommendations from Flagstaff P.D. and other security experts.

How Might Lighting Make Property Less Safe?

Lighting intensity, placement and complementary security measures are more important than your quantity of light. Common lighting mistakes include:

  • Bright lights: These constrict our pupils, preventing us from seeing what’s in the shadows. “If you stick a light on the side of a building that shines in your user’s eyes, it may actually make it more difficult to see if there is danger there,” says Darr.
  • Lighting without surveillance: This lets potential intruders see without turning on their flashlights, which might otherwise draw attention. “In fact, good lighting without surveillance may actually encourage criminal activity in some cases,” says Darr.
  • Excessive and misdirected lighting: If it shines sideways or upwards, it actually decreases visibility and creates a false sense of security. That may make people behave more carelessly.

“It’s usually smarter to think about other more obvious ways to protect yourself or your property against crime,” says Luginbuhl. These include locking your doors and walking at night with a companion.

And here’s one more cost-free way: “Fostering community relationships where people watch out for each other, rather than close their windows and shades against the night,” he says.

Problems with Excessive Lighting

Our country uses lots of extra lighting, and 99 percent of it serves no clear purpose, according to a recent report from the Department of Energy. Besides safety concerns, too much lighting creates a host of other problems, like:

  • Expense: All those watt-hours add up. Plus, installing an outdoor lighting setup can cost between $2,000 and $4,500, according to Mallory Micetich, a home care expert at Angi.
  • Wasted energy: Consuming excess electricity produces unnecessary carbon pollution.
  • Neighborhood discourse: If your lights shine in your neighbor’s yard, it can aggravate them while creating a hazardous situation on their property. “It can be nice to check in with your neighbors to make sure your outdoor lighting setup isn’t impacting them,” says Officer Mitch Trujillo of the Boulder Police Department in Colorado.
  • Light pollution: Excessive light blocks out the night sky. “Not only astronomers and scientists enjoy looking at the stars and planets,” says Darr.
  • Human health: Nighttime lights interrupt our sleep cycle. We’re only beginning to learn the range of consequences, but one is an increased risk of cancer.
  • Ecosystem health: Light harms animals because more than half of species are nocturnal. It also harms migrating birds and even trees.
  • Happiness and creativity: Dark, starlit nights give us a feeling of universal connection. It inspire us to create art, like Vincent van Gogh’s painting The Starry Night and the Van Morrison song Moondance. Excessive lighting robs us of those nights.

Most Effective Ways To Use Lighting To Deter Crime

While excessive lights are detrimental, all our experts agree well-planned lighting is vital to home security. They offer these suggestions:

  • Motion activated lights: These can effectively spook would-be intruders. “They can also be a helpful tool lighting the way when bringing groceries in from the car at night or taking out the trash,” says Shane Roberts, product marketing manager at Vivint, a home security company.
  • Floodlights on a motion sensor: These also light up nooks and crannies around your house. “Just be sure to install them so they don’t illuminate higher than the eaves of your house and in areas that won’t keep you or your neighbors up, like entryways, porches, garages and the sides of your home,” says Micetich.
  • Place lights at the main points of entry:  Think front and back porches, windows, pathways, garages and driveways, Roberts says.
  • Lights should shine down: Target the areas you and your guests normally use. Never point lights up into the sky, says Darr.
  • Don’t shine light sideways: The increased glare will make it harder to see in the harsh shadows created.
  • Low-powered landscape lighting: Helps illuminate grounds otherwise cast in shadow.
  • Position primary lights out of reach: Then no one can tamper with them, Trujillo says.
  • Interaction:  Choose lighting that interacts well with your security cameras and devices.
  • Automation increases effectiveness: Programming lights to come on at various times of day or night creates the illusion someone is home. Apps like Vivint’s Spotlight Pro offer remote control of your lights and their orientation. That way you can shine spotlights and strobes on people lingering too long.
  • Lessen light pollution: Choose warm-spectrum colors with lighting pointed downward and shielded on the top and sides. Install lights only where necessary and set them at the lowest brightness.

“We also do not suggest lighting areas where you don’t want people to use at night,” says Darr.

“If you have a pathway that goes through an open space or forested area, and it is isolated and dangerous to travel at night, putting up lights just provides people with a feeling that they should walk that way and might put them at even more danger. If only the criminal is watching an area, providing lights only assists them choose a target.”

Other Vital Steps To Deter Crime

“Lighting is a powerful tool,” says Darr, “[but] lighting by itself does not prevent crime.”

Lighting works best when coupled other tactics, like surveillance, locking doors and windows, installing a home security system and consulting local home security experts and landscape lighting designers. Some police departments, especially those trained with the Crime Prevention Through Environmental Design program, can help.

Finally, Darr recommends knowing your neighbors. “Places that encourage their residents to watch out for each other’s property and also have security or surveillance cameras see a much lower chance of being victimized by crime,” he says.



Article source here: Does Lighting Your Property Actually Make It Safer?

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