The reliance on fossil fuels for energy production has led to environmental degradation and climate change. The burning of fossil fuels releases greenhouse gases into the atmosphere, contributing to global warming and air pollution. As a result, there is a pressing need for alternative energy sources that are sustainable and eco-friendly. Green energy technologies offer a promising solution to this problem by harnessing renewable resources such as sunlight, wind, and water to generate clean energy. However, the adoption of green energy technologies faces challenges such as high initial costs and limited infrastructure. This study aims to explore the potential of green energy technologies in addressing environmental sustainability and promoting eco-friendliness. This paper employed a literature review methodology to examine the current state of green energy technologies and their impact on the environment. The review includes studies, reports, and articles on various green energy technologies, such as solar power, wind energy, and hydropower. The literature review also explored the benefits of green energy technologies, including reduced greenhouse gas emissions, improved air quality, and energy security. Additionally, the review examines the challenges and barriers to the adoption of green energy technologies, such as policy constraints and technological limitations. The findings revealed that green energy technologies have a positive impact on the environment. Solar power, for example, is a clean and renewable energy source that can reduce greenhouse gas emissions and air pollution. Wind energy is another green energy technology that can help mitigate climate change and promote sustainable development. Hydropower, biomass, and geothermal energy are also viable options for generating clean energy. Despite the benefits of green energy technologies, challenges such as high costs and limited infrastructure remain barriers to their widespread adoption. Ultimately, investing in green energy technologies is essential for achieving environmental sustainability and ensuring a cleaner, healthier planet for future generations.