Ever gaze up at the starry night sky? This stunning view is at risk of disappearing — unless we act now, says astrophysicist Kelsey Johnson. In this fascinating, unexpectedly funny talk, she explains how light pollution affects almost every species on earth (including us) and shares five « stupidly simple » things you can do to help solve the problem.
Source : https://www.youtube.com/watch?v=4zLmWpMDY8Q
Date : January 6, 2020 at 10:45PM
Tag(s) : #VIDEOS
