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Chapter
21: Exploring Space
International DarkSky
Association The International DarkSky Association wants to stop the environmental impact of light pollution. At this site you can find out about light fixtures that don't produce light pollution.
Click on Images, then on Night Scapes, to see how much light pollution affects the skies at night. Compare the images of Los Angeles in 1908 and 1988. How do you think this change affects
people who want to view the stars?
