System spreads significant snow over southern Quebec
Slow commute as first accumulating snow hits S. Ontario
Weekend system to blast Atlantic Canada with potent winds
Two earthquakes hit Italy near site of deadly August quake
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Seed pods: Photo by Bob Ledoux
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The border between Canada and the United States is officially known as the International Boundary. It is 5,525 miles long, including the 1,538 miles between Canada and Alaska. It’s the world’s longest unprotected border.