Ammonia, an essential component in nitrogen fertilizers, is now being recognized for its potential in driving the decarbonization of industries that are challenging to transition to cleaner energy sources. With around 180 million tons of ammonia produced globally in 2021, a significant portion is utilized for nitrogen fertilizers, while the rest is employed in various industrial applications. However, the conventional manufacturing process of ammonia heavily relies on fossil fuels, leading to considerable greenhouse gas emissions. The article introduces the concept of 'green ammonia,' which involves producing ammonia using 'green' hydrogen derived from renewable energy sources. This shift can substantially reduce carbon emissions associated with ammonia production. While the technology for green ammonia is still gaining momentum, regions abundant in solar and wind resources are well-positioned to adopt this eco-friendly manufacturing process. One of the key advantages of ammonia over hydrogen is its higher volumetric energy density, making it an attractive option for energy storage and transportation. Ammonia, when liquefied, contains more energy per unit volume compared to liquid hydrogen, and the process of liquefying ammonia is more cost-effective. Additionally, advancements in ammonia technologies, such as 'cracking,' are paving the way for a circular economy approach where ammonia can be converted back into hydrogen. The article also highlights the potential growth of the ammonia market in the United States, with projections indicating a significant increase by 2030. Ammonia is expected to find applications not only in fertilizers but also in the energy sector, particularly as a fuel for maritime shipping. The versatility of ammonia as an energy carrier and its potential in reducing carbon footprints make it a promising player in the journey towards a sustainable and decarbonized future.