Dams Reshape Global Power Balances as Water Crisis Deepens

The global water crisis entered a new phase of “hydraulic geopolitics” in 2026, turning dams into cross-border strategic tools and elevating water to the top national security threat across the Middle East. The region’s temperature increase has reached twice the global average, while its population is projected to exceed 600 million by 2050 and freshwater resources are expected to shrink by 20%. In Iraq, more than 186,000 people have been displaced from marshes in the central and southern parts of the country because of drought and salinity, according to IOM data. The figures underscore how water stress has moved from an environmental concern to a direct social and security challenge. China has used dams on the Mekong and Brahmaputra rivers to assert control over Southeast Asia and India, while Turkey has built dams on the Tigris through the GAP project. Iran has diverted 42 river tributaries toward Iraq, reducing the country’s water share by 50-60%. The Kurdistan Region in northern Iraq holds a critical position in regional water security and bargaining power, with total storage capacity exceeding 9 billion cubic meters. That reservoir capacity gives the region added strategic weight as competition over water intensifies across borders.