Looking up at the night sky used to be a breathtaking experience, with stars twinkling and galaxies stretching as far as the eye could see. But nowadays, you might need to squint a little harder to catch a glimpse of those celestial beauties, thanks to the ever-increasing brightness of our cities. In fact, night skies are getting 9.6% brighter every year, which means that if we don’t do something soon, we might need to start wearing sunglasses at night.

Night skies are getting 9.6% brighter every year as light pollution erases stars for everyone