I. Introduction
Chart of water shortage in 1995 and the forecasts for 2025
II. Factors reducing the availabilities
1°) Increase in the world population
2°) Global warming
Storms
Reduction in the level of water in the Amazon river
• 3°)Reserves overexploited, wasted and polluted
a) overexploited Reserves
b) Waste of water
Europe • Europeans consume eight times more fresh water than their grandparents for their daily use
Australia • An inhabitant who lives in Sidney consumes on average more than 1000 litres of drinking water per day
North of America • An Northen American from 300 to 400 litres
Developing countries • Whereas in certain developing countries, average consumption person doesn't exceed a few litres.
c) Water pollution
III Water, a source of conflicts between nations
The Nile a water resource
The Tiger and Euphrates
Conflicts in the world • 1. The bursting of the ex the USSR caused the creation of many small States. So rivers and lakes are divided between countries, causing conflicts. • 2. In the Close East water is a source of discords (Israel and Palestine) • 3. Turkey, Syria and Iraq, whose relations already are very degraded, dispute the resources of the two rivers the Tiger and Euphrates. • 4. The basin of Indus, is divided between China, India and Pakistan. • 5. For Egypt, Sudan and Ethiopia where there is drought, with the Nile they can make agriculture
BEN ISSA Abdel CHAABI Leïla LAKI Noussoura