U.S. Secretary of Energy Steven Chu gave a talk about clean energy Wednesday in Kresge Auditorium.

Source: Flickr User Cent. for Amer. Prog. Act.

Dec. 2, 2011

U.S. Secretary of Energy Steven Chu gave a talk about clean energy Wednesday in Kresge Auditorium. Source: Flickr User Cent. for Amer. Prog. Act.