"In an experiment that would make Cass Sunstein proud, the PBS is working with designers at IDEO and researchers at Lawrence Berkeley National Laboratory to install a giant screen in the lobby of the San Francisco Federal Building displaying its real-time levels of energy use. The assumption is that if you give people the information, they’ll take steps to rein in their consumption. “We want to see if we can change the behavior of people,” Santella said. Down the road, he hopes to stick a widget on employees’ screens depicting their personal usage. “We want to bring this down to human scale.”