Think back to mixing primary-color paint in grade school. Remember how mixing in yellow changes white, blue and red? Lighting is no exception. A problem too often overlooked is how the yellow-tinted ...

For almost two generations of Chicagoans, orange has been the color of night. High pressure sodium vapor lights, which create a glow reminiscent of a tire fire, have lit Chicago since the 1970s. They ...

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, ...