Sources of Light Waste & Pollution - 2/6

Definition of Light Pollution

Man-made Causes of Light Pollution

Natural Causes of Light Pollution

Above left: Central and southern Alberta light waste/pollution by satellite mapping. Note the extremely limited amount of pure black space in the photo. Credit: P. Cinzano, F. Falchi (University of Padova), C. D. Elvidge (NOAA National Geophysical Data Center, Boulder). Copyright Royal Astronomical Society. Reproduced from the Monthly Notices of the RAS by permission of Blackwell Science.

Above right: the Alberta Legislature building at night with upward lighting.

Central Alberta Light Pollution - Satellite Map

Effects of Light Pollution

The LEC Solution

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Sources of Light Pollution

News - Information - Resources

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