 The Arctic may be an important issue in the future for Canadians, as scientists expect the fabled Northwest Passage of the Arctic to open up for year round shipping by 2050 as a result of global warming .
<clarity>  The Arctic may be an important issue in the future for Canadians, as scientists expect the fabled Northwest Passage of the Arctic to open up for year round shipping by 2050 as a result of global warming .
 The Arctic may be an important issue in the future for Canadians, as scientists expect the fabled Northwest Passage of the Arctic to open up for year round shipping by 2050 as a result of .