Cengage Advantage Books: Sustaining the Earth 10th Edition by Tyler Miller,Scott Spoolman

تمرين 1

What is drought and what are its causes and harmful effects? How many people in the world lack regular access to safe drinking water and how many do not have access to basic sanitation? Define virtual water and give an example. What is a water footprint? Describe water conflicts in the Middle East and discuss some possible solutions.