Ammonia: The Reaction That Feeds the World

Fritz Haber demonstrated ammonia synthesis from nitrogen and hydrogen in 1909, and Carl Bosch scaled it into factories. The Haber-Bosch process consumes about one percent of world energy yet fertilizes crops that feed half of humanity. Ammonia refrigerates ice rinks and cleans windows when diluted. Green ammonia made with renewable power now aims to decarbonize shipping..

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