Chapter 11, Problem 3CR

To determine

The term reliable surface runoff. The percentage of reliable runoff used by humans and the approximate percentage in the year 2025. The manner in which most of the world’s water is used. The term ‘footprint’. The term ‘virtual water’ and give two examples. The manner in which freshwater resources are used in the United States and the water shortages that could occur during this century. The term ‘freshwater scarcity stress’ and how widespread it is and how serious it may be by 2050. The percentage of Earth’s land suffers from severe drought and the change that can occur by 2059. The number of people who lack regular access to clean water. The importance of the Colorado River basin, and the effect of human activities on this system. The three major problems associated with the manner in which people are using water from the Colorado River basin.