Lighting the Way to Cleaner Air

The way we light our streets can do more than save money for the taxpayers. It can contribute significantly to reducing air pollution.
by | January 28, 2013

"On Scale of 0 to 500," read a recent New York Times headline, "Beijing's Air Quality Tops 'Crazy Bad' at 755." As the article reports, it's not clear what was responsible for Beijing's over-the-top air-quality problem beyond the usual sources of particulate pollution such as nearby factories and the astonishing increase in cars on the streets of China's capital. A complete list of the causes would go on and on.

Governments have long recognized that identifying such causes and fixing them are important roles for planners and regulators. California, for example, has been working on its air quality for decades. Significant progress has been made, yet in 2012, rated by year-round particle pollution, five of the top 10 most-polluted city regions in the United States were in California. Recently I heard a federal Environmental Protection Agency regional administrator report that there are more annual pollution-related deaths in California than traffic fatalities.

The California and Beijing scenarios stem from a multitude of infrastructure-related problems ranging from fuel-source types (fossil fuels for electricity, heating and cooling, and transportation) to land-use planning and the permitting of major polluters within or in proximity to a city--problems that don't lend themselves to quick and cost-effective solutions.

But if you want to have a livable community--one where people can breathe without masks--you'd better be aggressive in fixing the things you can fix. An LED street-lighting project in a Northern California city may seem to be addressing only a tiny part of a big problem, but what Rancho Cordova is doing takes on greater significance when you know that there are an estimated 26.5 million street lights in the United States.

Like many other cities that are replacing their traditional incandescent lighting with light-emitting-diode fixtures, Rancho Cordova initially was attracted to the technology primarily to save money. "We only began looking at LEDs because of how much we thought we might be able to save," says David Gassaway, management analyst for the city. "We believe we are going to be saving around 60 percent or more on electricity costs in the long-term."


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Bob Graves  |  Associate Director of the Governing Institute
bgraves@governing.com

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