Lastly, there is the hazardous prospect of decommissioning Ontario's two dozen ageing nuclear reactors, which line the shores of Lake Ontario and Lake Huron.

ECONOMIST: Environmental management faces moving targets

And the looming block obsolescence of its existing nuclear energy infrastructure -- which currently supplies 8% of total U.S. daily consumption -- means that, unless steps are promptly taken to prepare, certify and bring on-line safe, modern replacement reactors, America will become still more vulnerable to threats, or actual interruptions of, its overseas oil supplies.

CENTERFORSECURITYPOLICY: Center For Security Policy

With all three of its reactors now off-line, the operator has been unable to sell electricity to its utility customers.

WSJ: Panel: Active Fault Runs Beneath Japan Reactor