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As use of LED street lights grows, so do concerns over 'blue light' - The Boston Globe
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Calgary completes conversion of 80K street lights to LED, expects $5M in annual savings | CBC News
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LED streetlights: Doctors issue warning | CNN
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The LED's Challenge to High Pressure Sodium - YouTube
Green LED street light VS traditional high pressure sodium street light - BBIER®
Sodium-vapor street light vs LED [X-post /r/oddlysatisfying : r/electricians
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Lighting: the Quest for White - Part 1 of 2
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Lighting Comparison: LED vs High Pressure Sodium/Low Pressure Sodium
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LED street lights too bright for some Columbus residents
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