Sky glow and city lights photographed in a night-pass view of the southeastern U.S. from the International Space Station in 2011. Atlanta is shown at the center; the Florida peninsula appears under clouds on the right.
To minimize light trespass, Tillett Lighting Design kept light levels beyond the Ellen S. Clark Hope Plaza in St. Louis to under 0.2 footcandles.
For a private garden on Long Island, N.Y., the Landscape Lighting Resource demonstrated the effectiveness of a few well-placed, low-wattage lights.
