DW examines how the conflict with Iran has exposed just how fragile global energy systems really are. Twenty percent of the world's oil and LNG flows through the Strait of Hormuz. Ten countries supply roughly 70% of global oil and gas. But there are real signs of a shift. In 2025, solar and wind provided more electricity to the EU grid than fossil fuels for the first time. Spain now gets 60% of its energy from renewables. Portugal ran entirely on green sources last year. The question is whether the transition can move fast enough.