#19 The Future of North America

San Diego will encounter some environmental issues in the future. The issues include pollution, global warming, and shortages of natural resources. The San Diego population will also increase as the years go by. Life expectancies continue to rise in the United States. For the economy, tourism will still be helping San Diego. "North America in the 21st century is a dynamic and vibrant place, and it is a place that will undoubtedly play a critical role in developing a sustainable future." (374)