This page is intended as an archive of previous guests on The Green Majority, with URLs and contact information where appropriate (listed alphabetically).

• John Bacher, author of PetroTyranny and researcher of the Preservation of Agricultural Lands Society (2.2.07).
• Jennifer Baichwal, director of Manufactured Landscapes (24.11.06).
• Kevin Brachen, Organizer of Newmindspace, which organizes events in Toronto and New York (27.10.06; 3.11.06).
• Karen Buck, member of Citizens for a Safe Environment and the drafting committee for the preparation of an environmental assessment on Toronto’s waste issue (20.10.06).
• Edward Burtynsky, photographer featured in Manufactured Landscapes (24.11.06).
• Johanne Gélinas, Commissioner of the Environment and Sustainable Development (8.12.06).
• Dr. Harold Harvey, Professor Emeritus and Director of the Bait Association of Ontario (26.1.07).
• Dr. Frank Hartman, a professor at the University of Toronto (13.10.06).
• Rosa Kouri, National Director of the Sierra Youth Coalition (6.10.06).
• Lori Kufner, Organizer of Newmindspace, which organizes events in Toronto and New York (27.10.06; 3.11.06).
• Michael Lewis Johnson from Streets are for People (13.10.06).
• Andreas Marouchos, engineer and Director of the Bluesky solar racing team at the University of Toronto (5.1.07).
• Victoria McDonald, a biologist at Rouge Park (22.12.06).
• Darryl McMahon, author of The Emperor’s New Hydrogen Economy (29.12.06).
• Dr. Ken Minns, recent Senior Research Scientist at the Department of Fisheries and Oceans and Adjunct Professor at the University of Toronto in the Department of Ecology and Evolutionary Biology (15.12.06).
• Dennis Patrick O’Hara, Director of the Elliott Allen Institute for Theology and Ecology at the University of St. Michael’s College (19.1.07).
• Candida Paltiel, Director of the Toronto-based Planet in Focus environmental film festival (27.10.06).
• Billy Parish, Coordinator of the Energy Action Coalition (2.2.07).
• Mary Pattenden, Director of the Climate Change program at Pollution Probe (6.10.06).
• Dr. Richard Peltier, University Professor of Physics at the University of Toronto (17.11.06).
• Jack Santa-Barbara, director of the Sustainable Scale Project (12.1.07).
• Dr. Ingrid Stefanovich, Director of the Center for Environment at the University of Toronto (22.12.06).