The study by Helmholtz-Zentrum Hereon focuses on the effects of hydrogen production using offshore wind energy in the German Bight. It reveals that the waste heat from a 500-megawatt plant can locally increase water temperature by up to 2 degrees Celsius, impacting the stratification of the sea. The research provides recommendations for environmentally friendly expansion, suggesting spatial distribution of by-products and technological solutions to reduce waste heat. By analyzing the potential footprint of offshore hydrogen production in the North Sea, the study aims to achieve a sustainable energy transition. The findings stress the importance of understanding the environmental consequences of green hydrogen production, particularly its influence on ocean ecosystems. Lead author Dr. Nils Christiansen highlights the significance of minimizing the impact on stratification by exploring decentralized solutions and reducing waste heat. The study underscores the need for further research to assess the effects of different technologies on marine ecosystems. Helmholtz-Zentrum Hereon's commitment to cutting-edge research for sustainability aligns with its focus on preserving a livable world. With a multidisciplinary approach, the institute aims to develop technologies that enhance resilience and sustainability, contributing to climate protection and societal well-being. By engaging in hydrogen research, Hereon demonstrates its dedication to advancing green energy solutions for a more sustainable future.