Nitrogen fixation — turning inert atmospheric nitrogen into ammonia — consumes about two percent of global energy and produces over one percent of carbon emissions. The Haber-Bosch process, over a century old, is ripe for reinvention. In this episode, Lucas and Luna explore how quantum computers are simulating the nitrogenase enzyme, the biological catalyst that fixes nitrogen at room temperature and ordinary pressure. Researchers at institutions like the Flatiron Institute and companies such as QunaSys are using quantum algorithms — from variational eigensolvers to quantum phase estimation — to model the iron-molybdenum cofactor at the heart of nitrogenase. The goal: design a synthetic catalyst that mimics nature's efficiency, potentially slashing the energy cost of fertilizer production and transforming global agriculture. Along the way, we discuss the challenges of quantum resource estimation, the role of error-corrected qubits, and why this problem might be among the first to deliver a practical quantum advantage. If you've ever wondered how quantum computing could feed the world, this episode offers a concrete glimpse.