Following China's rare earth mineral import restrictions, countries globally are striving for self-sufficiency in critical mineral supply chains. Europe has set ambitious goals under an act to enhance resilience by 2030, including mining, processing, and recycling of minerals like lithium. Amidst this, a groundbreaking discovery of an offshore green hydrogen mine with an annual production capacity of 45,000 tons has emerged, potentially transforming renewable energy. The UK-based Centrica and French company Lhyfe have initiated a pilot project for offshore green hydrogen production, aiming to drive clean energy transition through large-scale electrolysis and storage. While hailed as a significant step towards decarbonization, the project faces challenges such as funding bottlenecks and policy harmonization. Nonetheless, green hydrogen is poised to lead Europe towards a sustainable, decarbonized future, aiding in the shift away from lithium and boosting renewable energy production. Europe's focus on offshore green hydrogen and renewable energy signifies a commitment to technological advancement and self-sufficiency, positioning the continent at the forefront of sustainable energy production.