David Banks

This new ceiling lamp from Stack Lighting is on a growing list of household products that are "smart," but also green. It uses sensors to adjust itself based on ambient lighting in a room, and switch itself off if there's no one there. The company says th

Here comes an energy efficiency revolution

Technology

Energy-saving, environmentally friendly devices are starting to work their way into the consumer market, and many were on display at this year’s Consumer Electronics Shows. But to make sure they sell, their manufacturers are leaving the efficiency out of their sales pitches.

The World

Dalai Lama’s White House visit invokes the ire of Chinese government

Global Politics