One of the amazing discoveries I made when I moved from Wellington to the Wairarapa 25 years ago was the night sky. Thousands and thousands of stars in every direction. Satellites blinking their path across the sky, meteroids (shooting stars) making their final journey towards oblivion as they enter the atmosphere.
City dwellers, thanks to light pollution, miss out on most of this. The video also suggests that there are health impacts for both people and animals from light pollution. And going from a brightly-lit area to a dark one poses its own dangers for road users.
Jason Davis' video both highlights the problems and provides some ideas for reducing light pollution.