Light Pollution: How Much Does It Affect Us?

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Is light pollution a real problem or just something that first world people complain about when they have nothing else to complain about? How much of a problem are Elon Musk's StarLink satellites really? In this video we'll look at the data.

The full video about the guys in Rennes turning off shop lights is here:
Parkour climate activists switch off ...

Light pollution data and images at around 2 minutes from this website:  http://www.lightpollution.it/dmsp/ind...

The paper I mention at 4 mins 2 seconds is here: https://academic.oup.com/sleep/articl...

The Cerro Tololo image is here: https://noirlab.edu/public/images/iot...

The paper I mention at 9 minutes 17 seconds about the Zwicky Transient Facility is here:
https://iopscience.iop.org/article/10...

The BBC interview I mention at 10 minutes is here: https://www.bbc.com/news/science-envi...

The ESO paper I show at 10 minutes 20 seconds is this: https://www.aanda.org/articles/aa/abs...

The IAU press release I mention at 10 minutes 50 seconds is here:
https://www.iau.org/news/pressrelease...

You can support us on Patreon: Patreon: Sabine

Many thanks to Jordi Busqué for helping with this video http://jordibusque.com/

0:00 Intro
0:51 What is light pollution?
2:36 What are the consequences?
6:56 What can we do?
8:27 How bad is StarLink?
11:24 Sponsor message

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