Tag: light

By Neha Jain @lifesciexplore As soon as it gets dark, street lights, which have become widespread in the developed world—and are rapidly expanding in the developing world—are switched on. Indeed, since the second half of the twentieth century, Earth has become brighter at night. Now, new satellite-based research shows that our outdoor artificial night-lights are still spreading to more areas on Earth and have gotten brighter over the past few years. How night-lights impact the world Outdoor lighting is regarded as a necessity, especially in highly populated areas, but artificial…