America's rapid adoption of LED lighting saves money and uses less electricity. But it's also making it harder to see the stars. Light pollution comes from excessive artificial light that causes the ...
Outdoor LED lighting projects can save energy, but they can also make light pollution worse. Late one evening in June of 2016, John Barentine stood alone at Mather Point, an iconic and rarely empty ...
In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city’s street lamps with light-emitting diodes. That ...
Los Angeles is the city of stars, but its night sky is more brightly illuminated by light bulbs than celestial orbs. While switching to L.E.D. bulbs helped cut L.A.’s carbon emissions by over 40 ...
Excessive artificial light at night (ALAN) harms ecosystems and human health. LED lights, while energy-efficient, often produce excessive blue light, worsening ALAN. Properly designed outdoor lighting ...
Light pollution blues: photographs of London taken on board the ISS in 2012 (left) and 2020 (right). The images show the whitening and brightening of the city. (Courtesy: A Sánchez de Miguel et ...
Satellites haven’t been able to pick up on growing light pollution from LEDs. Satellites haven’t been able to pick up on growing light pollution from LEDs. is a senior science reporter covering energy ...
Rick Newman's backyard in east Boca Raton has that Old Florida vibe: A swimming pool is surrounded by live oaks and palms. For years, the trees' lush canopy has kept the area shaded against the sun, ...
Some of Drew Carhart’s earliest memories remind him of his love of nature. Not just trees, flowers or birds — but the stars, planets and galaxies visible in the night sky. Fifty years ago, Carhart ...