Answer :

South West Asia is mostly desert so they have very little water, water poppution, and they battled for water.
SoapyMcTavish
1- There is a lot of countries that don't have enough water like Saudi Arabia. 
2- In the Middle East, Water pollution is a very big problem. 
3- Since some countries don't got a lot of waters, some conflicts happens between countries. Like in July 2006, Israel attacked Lebanon just to get water from the country. 

Hoe this Helps! :)

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