Volume 1 of STEM Open Journal marks our inaugural publication year, showcasing a curated selection of pioneering research that defines the future of interdisciplinary innovation. This volume establishes our foundation for open-access excellence, featuring breakthrough studies in sustainable engineering, advanced computational modeling, and environmental science. Each article has been rigorously peer-reviewed to ensure it meets the highest standards of technical accuracy and societal impact. By launching this volume, we invite the global scientific community to join a transparent dialogue that removes barriers to knowledge.