The Barcelona Supercomputing Center (BSC) is a prominent research institution in Spain, established in 2005, specializing in high-performance computing (HPC) and its applications across various fields, including health, climate change, and social sciences. BSC's research encompasses the development of sustainable HPC strategies for resource-limited settings, as evidenced by its focus on lessons learned from the African Center of Excellence in Bioinformatics and Data-Intensive Sciences. The center has also contributed to the creation of resilience design patterns for extreme-scale HPC systems, addressing reliability and fault management challenges inherent in advanced computing environments. Additionally, BSC is involved in simulating the impacts of climate change through digital twin technologies, emphasizing the importance of land-atmosphere interactions and predictability in climate modeling. The institution's interdisciplinary approach integrates social sciences with computational methods, utilizing its supercomputing capabilities to enhance understanding of complex societal behaviors and decision-making processes. Through its diverse research initiatives, BSC plays a crucial role in advancing knowledge and technology in the field of computational science.