Every day, billions of people depend on a century-old chemical reaction to create a large part of the world’s food supply: combining nitrogen gas and hydrogen gas to create ammonia, and down the line, fertilizers. But this seemingly innocent reaction has a dark side. It devours a whopping 1% of the world’s entire energy supply and belches out 2% of the planet’s total carbon dioxide emissions. Now, George from the Reactions Youtube channel sets off on a mission to uncover if it’s time to bid farewell to the Haber-Bosch reaction. Join him on this thrilling adventure to find out if its days are numbered.