In policy terms, even if we look at the experience in Europe, I think we've seen that countries that are economically integrated are likely to be more successful in taking coordinated and harmonized action going forward. So I certainly think that effective North American action can play a very important role in driving the change needed here.
North American leaders, at their summit this August, articulated an agenda of action for the three main countries of North America: Mexico, the United States, and Canada. We're pursuing that, and I believe it will make an important contribution to Canada's efforts going forward.