Despite the high light efficacy of HB LEDs (high-brightness light-emitting diodes), their cost for commodity applications is still too high for them to compete head-on with older forms of lighting, ...

What landscape architects need to know. In L.A., recent innovations bolster the case for replacing hardwired streetlights.

Omniflow has developed a line of hybrid solar-wind streetlights. It offers optional solutions to integrate for security, phone recharging, and Internet of Things applications.

The sun’s magnetic poles are about to flip, and it could cause lower latitude northern lights, more intense solar storms and potential danger for astronauts and satellite communication. However, ...