river bank (river banks plural) , riverbank A river bank is the land along the edge of a river. n-count. river basin (river basins plural) A river basin is the area of land from which all the water flows into a particular river.
Map of the global distribution of economic and physical water scarcity as of 2006. Scarcity is the fundamental economic problem of having seemingly unlimited human wants in a world of limited resources. It states that society has insufficient productive resources to fulfill all human wants and needs.
Scarcity forces trade-off thinking. We recognize that having one thing means not having something else. If you spend $10 on anything, it is $10 less left for something else. Economists call this the opportunity costâthe alternative use of the money. Doing one thing means neglecting other things.