February 3, 2011
Eric Palcovacs, University of Kentucky
Contemporary evolution as an agent of ecological change

February 10, 2011
Nancy Johnson, Northern Arizona University

February 17, 2011
Charles Nunn, Harvard

February 24, 2011
John Sabo, Arizona State University

March 3, 2011
Karl Castillo, UNC

March 17, 2011
Marty Reuss, US Army Corps of Engineers (Retired)

March 24, 2011
Erica Wise, UNC

April 7, 2011
Taylor Ricketts, World Wildlife Fund

April 14, 2011
Mark Moritz, Ohio State University

April 21, 2011
Lori Hunter, University of Colorado Boulder