The integration of quantum computing (QC) and artificial intelligence (AI) presents transformative opportunities for sustainable engineering and renewable energy. This paper explores the synergy between QC and AI, emphasizing their potential to address complex problems beyond the reach of traditional computational methods. Recent advancements in QC demonstrate its capacity to efficiently manage large-scale problems, crucial for optimizing energy systems and designing sustainable materials. The application of QC in scientific and engineering domains, such as macro-energy systems and quantum chemistry, promises significant contributions towards climate neutrality. Additionally, AI has already impacted energy efficiency and data management, further highlighting the importance of these technologies in fostering sustainability.