The Green Enterprise: UC Berkeley

In our first installment of the Green Enterprise, ZDNet correspondent Sumi Das takes a tour of green technologies around the UC Berkeley campus, including solar arrays powering the student union, an eco-friendly cafeteria and a prototype of electrochromic energy-efficient windows. She also talks with Dan Kammen, co-director of the Berkeley Institute of the Environment, about green innovations students and scientists are researching on campus and at Lawrence Berkeley National Laboratory.