One of the biggest causes for the lack of water is the Yemeni use of khat (or qat), a stimulant that requires lots of water.[1] [1] https://www.foreignaffairs.

One of the biggest causes for the lack of water is the Yemeni use of khat (or qat), a stimulant that requires lots of water.[1] [1] https://www.foreignaffairs.com/articles/yemen/2013-07-23/how-yemen-chewed-itself-dry https://www.foreignaffairs.com/articles/yemen/2013-07-23/how...