Let’s Talk About : Light Pollution

That One STEM Podcast

If we go far back enough in time, back to when the only major light sources were the sun and the moon, life was simpler back then. Fast forward all the way to the 21st century and we’re bombarded by light sources day and night, and so is the world around us. Back then at night, we could see the stars, nebulae, and galaxies clearly on a cloudless night. Now, it’s as if we’ve taken the stars to earth to light up our nights. If you look up into the night sky, you’d probably see some or no stars at all. Within a few thousand years, which is noticeably short on the evolutionary scale we’ve lit up our night and this does have implications for us, and our planet.

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SOURCES:

https://nigms.nih.gov/education/fact-sheets/Pages/Circadian-Rhythms.aspx

https://www.ledlightingsupply.com/blog/top-strategies-for-reducing-light-pollution

https://www.darksky.org/light-pollution/wildlife/

https://www.darksky.org/light-pollution/light-pollution-solutions/

https://starwalk.space/en/news/light-pollution#light-pollution-scale-bortle-scale