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Light pollution is estimated to account for 1% of all global emissions.
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Globally we spend at least $50 billion in energy costs each year to produce light that escapes into space.
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To power 1 100 watt light bulb for a year requires 800lbs of coal!
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The US Department of Energy reports that only 1% of light generated reaches our eyes. That means 99% of generated light is wasted!
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Light is responsible for 1/5th of energy consumption worldwide!
Reducing light pollution is a readily available win-win solution. It directly protects biodiversity by lessening the impact of excessive light on plants and animals immediately. And by reducing energy demand at night, it reduces greenhouse gas emissions and aids in long-term protection strategies.
Beyond cost and energy savings, the higher efficiency of LED lights provides other benefits, including reduced carbon emissions, helping cities reach carbon reduction goals, reduced light pollution from less light being directed into the night sky due to optical control, and greater perceived public safety because of improved visibility through better color rendering and more uniform lighting distribution.
