Investing in green technology has become a significant trend in the global economy, with a focus on reducing carbon footprints and promoting environmentally friendly practices. In 2023, renewable energy investments surged to $1.8 trillion, emphasizing solar, wind, and water power generation. Electric transportation emerged as a leading investment sector in 2023, with a substantial $634 billion investment in electric vehicles and associated infrastructure. Moreover, the growth in battery technology investments has been remarkable, with a 76% increase in 2023. Notably, in 2024, there was a significant uptick in investments in hydrogen technologies and carbon capture systems, essential for decarbonizing industrial processes and transportation. Major players like Tesla, Ørsted, and Plug Power are leading the market with innovative solutions in electric vehicles, wind energy, and hydrogen fuel cells. Successful green technology projects include solar power initiatives in the US, hydrogen projects in Europe by Plug Power, and the dominance of electric transportation in China. Despite the success stories, investors face challenges such as regulatory barriers, technological risks, and economic uncertainties. Efforts to harmonize international regulations are ongoing to facilitate multinational green projects and attract more investments despite the associated risks.