Drive them northwards and let the polar bears take care of them.
I think there is a good deal of North between where, as it were, the black top mostly ends, and the polar bears.
Canada has a whale of a lot of empty—though the empty does have a huge abundance of insects, as other posters have pointed out.
There are polar bears on the Hudson’s Bay coast around Churchill, Manitoba. That’s about as far south as polar bears ever get, and it’s only about a hundred miles away from this reported sighting. So, improbable as it might seem, they actually could run into polar bears — although that is a tough tough hundred miles to traverse.