The visit by Francesco Corvaro, Special Envoy for Climate Change, took place from May 25 to 28 in Ottawa and Montreal.     The occasion for the visit was Corvaro’s participation in the roundtable discussion “The Arctic Frontier: Science, Cooperation, and Diplomacy,” organized in Ottawa by the Scientific Office of the Italian Embassy and the University of Ottawa. The event was attended by Italian Ambassador Alessandro Cattaneo and numerous Canadian scientists, representatives of the armed forces,