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How do increased light levels, night sky brightness and cooler light colors affect wildlife? Try out yourself by using this simulation. How do owls or hedgehogs perceive this environment? See the scene through their eyes by opening this application on a desktop browser.

You have colortemperature, and it has several layers available: GR (green-red) and BG (blue-green) - They are the ratios of those bands. CCT is Correlated Color Temperature. Median_cal is the calibratedimage.

All data courtesy of the International Research Center of Big Data for Sustainable Development Goals (CBAS). And with its SDGSAT-1 satellite it is ideal for classifying lighting technologies.

The term noctalgia shall express "sky grief" for the accelerating loss of the home environment of our shared skies - representing loss of science, heritage, millennia-old sky traditions, place-based language, and more - and summarize next steps to address the protection of our nighttime and daytime skies.

See how the effects of light pollution on your sky compare to the Murry River International Dark Sky Reserve. This simulation demonstrates from a ground perspective the real difference between light-polluted night skies and natural darkness, based on the data of lightpollutionmap.info