This issue presents three research articles that tackle key global challenges through smart, sustainable technologies. The first study focuses on hybrid energy storage in microgrids, combining batteries and supercapacitors to improve efficiency, reduce costs, and support reliable renewable energy systems. The second article explores how AI is transforming industries, highlighting real-world applications in supply chains, manufacturing, and business decision-making while stressing the need for ethical and responsible use. The third introduces a powerful AI-based model for early breast cancer detection, achieving high accuracy and precision. Together, these studies show how innovation can drive progress in energy, industry, and healthcare.