That boundary cuts across almost every landform and ecological region of both countries.
Wildlife migrates across that frontier.
Water and air currents flow in both directions. All understand the importance of working together. The Treaty established a framework for the use and management of common waters that is still in place. Although the Canadian and U.S. governments each appoint three of the IJC's six commissioners, the IJC is an independent organization. It is expected to act in an impartial manner that respects the mutual interests of both countries.