 In 2003, she served as an Oxford University Round Table Scholar and as Women's Chair in Humanistic Studies at Marquette University in 2004.She has spoken widely on environmental issues, feminism, critical thinking skills and peace studies in many international locations including Buenos Aires, Gothenburg, Helsinki, Oslo, Manitoba, Melbourne, Moscow, Perth, the U.N. Earth Summit in Rio de Janeiro (1992), and San Jose.Warren is a believer in allowing public access into the academic field of philosophy and describes herself as a "street philosopher".