Mauritania has entered a new era of green hydrogen development with the agreement between GreenGo Energy and the Mauritanian government to launch the Megaton Moon project. This strategic move signifies the company's first venture in Africa's renewable energy sector, aiming to harness the country's abundant wind and solar resources for green hydrogen production. The ambitious project, set to unfold between 2029 and 2033, plans to deploy significant capacities of electrolysis, wind energy, and solar photovoltaics, with the first phase slated to produce 339,000 tonnes of green ammonia annually. The favorable location of the project near Nouakchott promises reduced operational costs through desalination and export opportunities. Mauritania's cost-effective green hydrogen production, supported by a progressive regulatory framework including Africa's first Green Hydrogen Code, appeals to international investors, setting the stage for substantial investments in the sector. As global investments in green hydrogen soar, Mauritania's emergence as a key player holds promise for economic transformation. By diversifying its economy from extractive industries towards green industries like green steel and sustainable agriculture, the Megaton Moon project offers a path to a more sustainable and job-rich future. This transition could reduce the country's reliance on traditional sectors, enhance energy sovereignty, and attract additional foreign investments, shaping a cleaner and more prosperous future for Mauritania.