Global tensions have triggered an energy crisis reminiscent of the 1970s, exposing how dependent the world still is on fossil fuels. Experts warn that disruptions like the current war involving Iran  highlight the fragility of global supply chains and key chokepoints such as the Strait of Hormuz , where a fifth of global oil and LNG normally pass. Today, around 80% of global energy still comes from fossil fuels, leaving economies vulnerable to shocks. Yet renewables are gaining ground: in 2025,