The United States is the leading global power and Canada a significantpartner. But in their rush to exploit the resources of their lands Americansand Canadians ... » 

The United States is the leading global power and Canada a significantpartner. But in their rush to exploit the resources of their lands Americansand Canadians have not always protected the environment. Now pollution andenergy consumption have joined immigration security and health care among thechallenges facing these two great nations. This title provides more informationon the challenges facing these countries. «