Vol. 9, Issue 7, Part R (2025)

The global energy landscape is changing as countries shift from fossil fuel dependency to sustainable options. This review looks at different aspects of green energy. It explores its technological basis, economic effects, environmental benefits, and social impacts. By examining recent research and industry developments, this article shows the current status of renewable energy technologies, including solar power, wind energy, hydroelectric systems, geothermal energy, and biomass use. The review also discusses the challenges that limit widespread adoption, such as issues with reliability, grid integration, and financial obstacles. It highlights new solutions that are emerging to tackle these problems. Economic assessments show that renewable energy sources are now as cost-effective as traditional fuels in many markets. This shift is driving significant investments and job creation. The article wraps up by looking at future trends, policy frameworks, and the important role of green energy in reaching global net-zero emissions targets by mid-century.