Upon graduation in 1941, Munn became a weather forecaster, spending 1943 to 1949 in
Gander, Newfoundland where he briefed
RAF Ferry Command and other wartime pilots on their way to Britain. In the late 1950s, Ted registered as a PhD student at the
University of Michigan. At the time of his graduation in the early 1960s, he was the only Canadian meteorologist with training in air pollution. He served as president of the Canadian Branch of the Royal Meteorological Society, 1964–66, and on several international committees, including WMO and ICSU. He spent a winter in
Stockholm working with
Bert Bolin on the acid rain issue, and for 17 years he was editor-in-chief of the SCOPE series of 60 books relating to interdisciplinary environmental topics. In 1983, he was appointed head of the environmental group at the International Institute of Applied Systems Analysis in
Austria. Then in 1990, he returned to the
University of Toronto, to the Institute of Environmental Studies, where he taught a course on Global Environment Change, and edited a 5-volume Encyclopedia, Global Environmental Change (John Wiley, UK.) Each volume is about 750 pages in length. Munn was elected a Fellow of the
Royal Society of Canada in 1985 and published several books and many scientific articles on environmental topics. ==Publications==