Spring 2008: "Fertile Ground: New Directions in Ecocriticism" (Speakers: Rachel Ann Hanan, Steve Rust, Chris McGill) 

Spring 2007: "Thinking outside the (Recycle) Box, Part II" (Faculty Speakers: Priscilla Ovalle, Elizabeth Bohls, Elizabeth Wheeler)

Winter 2007: "Thinking outside the (Recycle) Box, Part I: Ecocritical Connections across the Discipline" (Speakers: Rachel Ann Hanan, Tristan Sipley, Teresa Coronado, and Ashley Reis)

Spring 2006: "Figures of Friendship in Emerson & Thoreau" (Participants: James Albrecht, English, Pacific Lutheran University, Branka Arsic, English, SUNY Albany, Lawrence Buell, English, Harvard University, James Crosswhite, English, University of Oregon, Tom Davis, Philosophy, Whitman College, Russell Goodman, Philosophy, University of New Mexico, Maurice Lee, English, Boston University, John Lysaker, Philosophy, University of Oregon, Barbara Packer, English, UCLA, Scott Pratt, Philosophy, University of Oregon, David Robinson, English, Oregon State University, William Rossi, English, University of Oregon, Naoko Saito, Education, Kyoto University, Henry Wonham, English, University of Oregon).

Spring 2005: Ecocriticism Colloquium (Speakers: Alastair Hunt, Scott Knickerbocker, Kelly Sultzbach, Sarah Jaquette Ray)