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The night sky may glow bluer as yellow-orange streetlights are gradually replaced by whiter, energy-saving li nike air trainer max 2 94, ghts, a new study says.

Light-emitting diodes, or LEDs, cast a bluish glow in the sky and are about 20 percent more efficient than industry-standard streetlamps, which generate red-colored lig nike lebron 7 , ht pollution.

With LED efficiency expected to double to 40 percent in a few years, it’s inevitable that governments worldwide will opt to save energy by switching to LEDs, which also last long converse chuck taylor as, er and require less maintenance, experts say.

(Related: “Tough Road to Getting LED Lights on the Streets.”)

Yet it’s uncertain how much the color of light pollution will chan converse all star layering, ge as LEDs take over, experts say. Also unknown are effects of blue light pollution on nocturnal wildlife, such as sea turtles, which can be confused by artificial lights when coming ashore to lay the gucci bangles, ir eggs.

“The likely worldwide transition to increased LED street lighting may have an effect on research topics as diverse” as disruptions of animals’ circadian rhythms and air poll gucci scarves, ution, the study authors write.

Long-term monitoring of skyglow—as light pollution is called—”should start before the transition is well underway,” according to the study, led by phy nike hyperdunk 2011 low, sicist Cristopher Kyba of the Free University in Berlin.

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