White House adviser visits Columbia energy plant

March 14, 2012 | 1:09 p.m. CDT
Columbia Water and Light Technician Supervisor Ronnie Tennill, right, talks to Nancy Sutley during a tour Wednesday of the city's Biogas Energy Plant. Sutley, President Barack Obama's principal environmental adviser and chair of The White House Council on Environmental Quality, is traveling around the nation looking at different energy sources.

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