Water security links dams, desalination, and renewable power

The Ethiopian dam dispute is presented as an example of water scarcity creating a risk of interstate conflict. Desalination offers another source of fresh water, though producing national-scale supplies requires substantial energy. Islands and other places with abundant wind or solar generation could divert surplus output to desalination when the grid cannot use it. The same surplus can produce hydrogen or pump water uphill for later hydroelectric generation. This connects water policy to energy storage, grid capacity, and weather forecasting rather than treating desalination as a stand-alone technology.