As Earth Day 2025 approaches, the world celebrates significant advancements in renewable energy technologies. The International Renewable Energy Agency (IRENA) highlighted that 86% of new power capacity added globally in 2023 came from renewable sources, marking a notable shift towards cleaner energy solutions. One area of innovation is perovskite solar cells, offering higher efficiency and cost-effectiveness than traditional silicon cells. These cells can be used in flexible and transparent panels, expanding solar energy integration possibilities. Floating wind farms are making waves in offshore wind energy by accessing deep-water locations with stronger winds. Projections by the Global Wind Energy Council (GWEC) suggest a substantial increase in offshore wind capacity by 2030, with floating wind technology playing a crucial role. Green hydrogen, produced through water electrolysis powered by renewable energy, is gaining prominence as a clean alternative in various industries. Its potential in achieving net-zero emissions in sectors like transportation and heavy industries is being recognized by organizations like IRENA. Advanced energy storage solutions, such as solid-state and flow batteries, are essential for ensuring reliable energy supply from intermittent sources like solar and wind. These technologies offer improved performance and scalability, paving the way for a more stable renewable energy landscape.