Jan 17, 2025 · A brief history of manmade light, from torches to gas lamps to electricity at the Smithsonian Lights Out Exhibit. Depending on which entrance you choose to take, the exhibit introduces (or re-introduces you) to the night sky either through a …

Jul 29, 2016 · Natural light is an important cue that helps us set our clock to Earth’s 24-hour rotation period. Exposure to artificial light at night disrupts this process, increasing our risks for cancers and other potentially deadly diseases. Blue-rich light at night is particularly harmful.

Apr 27, 2023 · Light pollution is a problem, but there’s no single country, group, or industry to blame. Instead, it’s a result of the whole world’s ever-expanding reliance on outdoor electrical lights for over 200 years. Fortunately, there’s a growing awareness that the ways we stave off the dark can actually have detrimental effects too.

Dec 16, 2019 · Through the Youth Organization for Lights Out (YOLO) program that she manages, Lugo is helping dozens of teens open their eyes to the problem of light pollution and see the beauty of naturally dark places.

May 26, 2015 · It’s unshielded and casts a bright light that spills onto your property and perhaps even inside your home. This is known as light trespass, which can cause much agony and frustration. Although DarkSky doesn’t get involved in neighbor disputes, we have provided the following guidance to help you resolve your problem.

Oct 18, 2022 · If you stand on the island’s southern cliffs and stare out to sea, there is nothing between you and Antarctica. And on a clear winter evening, you may well see the Aurora Australis, or Southern Lights, undulating across the sky.

Jun 17, 2021 · The lessons teach about light pollution and its causes, effects, and solutions. The first curriculum (level 1) is aimed towards fourth and fifth graders, has seven lessons and videos, and ends with a Globe at Night data collection as its culminating activity.

Jul 9, 2024 · Light pollution is the human-made alteration of outdoor light levels from those ocurring naturally. It has harmful effects on:

May 26, 2015 · Street lighting serves a very specific purpose in communities — to light the street for automobile and pedestrian safety. Sometimes, however, streetlights are poorly designed or installed incorrectly and end up shining light onto your property or through a window of your home.

Aug 1, 2018 · “Quality outdoor lighting for commercial, residential, municipal properties and city streets will improve public safety and security in the City of Kanab, making neighborhoods and our downtown more attractive by reducing glare, light clutter, excess brightness and sky glow,” said Starry Sky Project Co-Lead, Rich Csenge.