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Residential Lighting Impacts The Environment

When people hear the term ‘light pollution’, they typically think of big cities with their huge rows of pole-mounted streetlights. True, these are among the biggest offenders. However, the large number of residential fixtures in even smaller communities ensures that these simply can’t be overlooked. Unfortunately, it is no longer uncommon to find even smaller towns enveloped in a form of light pollution referred to as ‘sky glow’. Sky glow results from man-made lights that are shining skyward. Sky glow from all our collective nighttime lighting has reduced our view of the night sky and costs us a fortune in the process. Recent estimates by the International Dark Sky Association put the annual cost of light pollution at $10 Billion. This is a huge sum of money, and residential lighting represents a sizable portion of its.

Residential lighting has evolved dramatically over the years. As our homes have grown in size, so too have they grown in brightness. Whereas a typical suburban home might have had 2-4 lights on it in the past, nowadays, its not uncommon for homes to have 10 or more. Throw in some landscape lights and perhaps some sports court lighting and the impact is far from negligible. All this extra light contributes to the light pollution that blocks out our views of the night sky. It also lead to dramatically increased energy consumption.

Concern about our impact on this planet is (thankfully) on the rise. Along with this, many people are looking for ways to reduce their impact. An often-overlooked area to target is outdoor lighting. In many cases, you’ll find outdoor lights that are on continuously, even in low traffic areas. These could easily be outfitted with motion sensors to cut their operations down to a few minutes per night instead of multiple hours.

This can add up to substantial monetary and energy savings. In fact, the savings can quickly pay for the purchase and installation of the sensors. Throw in the fact that you’ve reduced your impact on the environment and the proposition becomes quite compelling.

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Residential Light Pollution
Residential Light Pollution

Contributed by Anthony on September 19, 2008, at 6:54 PM UTC.

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