View 2012 Clean 50 by category.

Dr. John D. Wiebe, Gerald Butts, Pembina Team,
Chad Park, Stephen Carpenter, Marty Janowitz
Dr. Peter Victor, Dr. Tima Bansal, Raymond Côté, Civil Engineering Department, University of Toronto Team
Don Roberts, Shari Austin, Karen Clarke-Whistler, Michael Jantzi
Antony Marcil, Tye Burt, Frank Dottori, Gord Lambert, Bob Mitchell
Tom Heintzman, Vincent Chornet, BluEarth Renewables Team, Colchester-Cumberland Wind Farm (CCWF) Team
Ian Morton, Tyler Elm, Andreas Souvaliotis, Galen G. Weston