Access to water has played a pivotal role in the Israel-Palestine dispute. Israel has diverted the River Jordan via pipes and canals to build a successful modern state. But this has been at the expense of the region’s cohabitants. Gaza is now so water-stressed that the United Nations has warned it could soon become uninhabitable; its traditional water source has been ruined by years of over-extraction and mismanagement, the effects exacerbated by years of crippling blockade.