A war thousands of kilometres away suddenly shows up in the prices of groceries, the cost of running a factory, government subsidies or import bills, and the anxious arithmetic of a family budget as the people navigate the long lines outside refuelling stations. This is how the impact of the US-Israel war on Iran is being felt in many parts of the world through disruptions to the energy system. And the longer the war continues, the greater the disruptions will be, especially for import-dependent economies like ours.