Malnutrition due to hunger is the number one risk to human health worldwide--greater than malaria, AIDS, and tuberculosis combined. Readers learn how, worldwide, 70 percent of all freshwater is used for agriculture as well as many other facts. During a drought, people can't get access to water, and food production suffers. One billion people in the world do not have access to safe water. Half of the world's hospitalizations are because of water-related...