The potential of renewable energy in the world is increasingly attracting attention as a solution to overcome the global energy crisis and climate change. Renewable energy includes a variety of resources, such as solar, wind, hydro, biomass and geothermal. Each source has unique characteristics and different potential. Solar energy is one of the most developed renewable sources. With abundant sunlight, especially in tropical areas, the potential for utilizing solar energy is very large. Solar panel technology has advanced rapidly, increasing conversion efficiency by 20% or more. Countries such as China, the US and Germany are leading the way in deploying this technology, making it an important pillar in the global energy transition. Furthermore, wind energy is also showing rapid growth, especially in Europe and North America. Onshore and offshore wind farms are increasingly being built to take advantage of constant and strong winds. According to the Global Wind Energy Council report, global wind energy capacity has reached more than 700 GW, and is expected to continue to increase. This provides an opportunity for countries to reduce carbon emissions and improve energy security. The hydro potential is also very significant. Water resources around the world, from large dams to micro-power plants, offer opportunities for energy conversion. While some large projects can have serious environmental impacts, more environmentally friendly approaches, such as small-scale hydroelectric power plants, offer more sustainable solutions. Biomass, as a renewable energy source, uses organic waste and plant material to produce energy. With good management, biomass can be a sustainable energy source, reducing waste and providing an alternative fuel. In addition, biogas from the waste fermentation process can be used to reduce dependence on natural gas. Geothermal energy, which harnesses heat from within the earth, offers significant potential, especially in areas with volcanic activity. Countries such as Iceland and the Philippines have successfully utilized geothermal energy, producing electricity and heat for space heating. With the right technology, this potential can be explored in more areas of the world. Integrating technology and supporting policies is key to maximizing the potential of renewable energy. Investment in research and development must be increased to find new ways to increase efficiency and reduce costs. Additionally, governments around the world must implement policies that support the transition to clean energy, such as tax incentives and subsidies for renewable energy. In the context of climate change, increasing the use of renewable energy becomes increasingly urgent. Reducing dependence on fossil fuels will not only help reduce greenhouse gas emissions, but also improve public health by reducing air pollution. Educating the public about the benefits of renewable energy and its sustainability is a vital step in creating greater demand for this technology. Renewable energy has the potential to create new jobs, encourage local economic growth, and increase energy security. This sector offers attractive investment opportunities, especially in innovative technology and infrastructure development. The transition to renewable energy not only benefits the environment, but also provides long-term solutions to global energy challenges.