40 years after Chernobyl, Iran War pushes world toward nuclear again. What could go wrong?

The Middle East conflict is accelerating a global nuclear power revival as geopolitical tensions and AI energy demands reshape electricity generation strategies. The US targets 4x capacity expansion by 2050, China leads new reactor construction with ~40 units underway, and Europe is reversing decades of anti-nuclear policy. Over 400 reactors now operate globally, accounting for 10% of all electricity and a quarter of low-carbon generation.