WORLD HISTORY

Detailed explanation-1: -Already a problem, water scarcity will get worse The outlook is worrying: The World Bank estimates that climate-related water scarcity will cost Middle Eastern nations between 6 percent and 14 percent of their GDP by 2050, due to water-related impacts on agriculture, health, and incomes.

Detailed explanation-2: -What is the link between water and population density? The Middle East is mostly dry (arid) land or desert; therefore, the majority of people live near a source of water. Large cities have grown near water sources such as rivers or along the coast.

Detailed explanation-3: -Water sustains humans’ health, food production, and economic development.

Detailed explanation-4: -The rise in population leads to higher demand for water for domestic, industrial, agricultural and municipal needs and also evacuation for waste materials. The most water scarce areas are typically those with few water resources, high population, and even higher population growth rates.