Melting glaciers in Matterhorn forcing Switzerland and Italy to redraw their borders . The Italian Military Geographic Institute blames climate change for melting . The border was last modified in the 1970s when the Switzerland-Italy highway was built at the Brogeda crossing . Switzerland cooperating with Italians on potential changes .
Melting glaciers in Matterhorn forcing Switzerland and Italy to redraw their borders . The Italian Military Geographic Institute blames climate change for melting . Switzerland cooperating with Italians on potential changes .