Global Energy Crisis: Solutions and Challenges The global energy crisis has become a major issue in various parts of the world, touching on economic, social and environmental aspects. In facing these challenges, a deep understanding of possible solutions and the challenges faced is essential. One of the main solutions is the transition to renewable energy sources. Solar, wind and biomass energy offer great potential to reduce dependence on fossil fuels. Investment in solar technology and wind turbines continues to increase, creating jobs and reducing carbon dioxide emissions. Nonetheless, the challenges in deploying renewable energy cannot be ignored. Existing infrastructure is often inadequate to support the integration of new energy sources. For example, many countries still rely on electricity grids designed for fossil fuels, making adaptation complex and expensive. Additionally, energy storage remains an issue. Efficient, low-cost storage technology is needed to ensure a reliable supply of renewable energy. Waste is also an important issue in the energy crisis. The use of conventional energy sources often involves processes that produce hazardous waste. Solutions such as lithium-ion battery recycling and improvements in waste processing technology can help reduce these negative effects. Innovations in energy generation techniques, such as the use of hydrogen as a fuel, are also promising. Hydrogen is considered a clean energy and can be produced from renewable sources through water electrolysis. The need for proactive public policy should not be ignored. International agreements such as the Kyoto Protocol and the Paris Agreement focus on reducing global emissions, but implementation is often hampered by local political and economic interests. To maintain momentum, countries must create incentives for investment in clean energy, such as subsidies for renewable energy and carbon taxes that encourage emissions reductions. The transportation sector is also a major focus in this crisis. Sustainable mobility, including the use of electric vehicles and efficient public transport systems, is critical to reducing the global carbon footprint. Developing infrastructure for electric vehicles, such as charging stations, is a crucial first step. In addition, promoting alternatives such as bicycles and pedestrians creates a more environmentally friendly ecosystem. Consumer behavior also plays an important role in this crisis. Public awareness about the impact of daily energy use can encourage change. Education regarding energy efficiency and the benefits of renewable energy needs to be improved to encourage people to switch to more environmentally friendly options. The social aspects of the energy crisis are also apparent. Countries with a high dependence on fossil energy often experience social injustice, with vulnerable groups being hit hardest by fluctuations in energy prices. Therefore, there needs to be an inclusive strategy to ensure that all levels of society have equal access to sustainable energy solutions. While there are many challenges to be faced, innovative solutions in various sectors continue to provide hope. Integrating green technology, supportive policies and community engagement is a key step in achieving global energy sustainability. Adoption of circular economy models that eliminate waste and increase resource efficiency can play an important role in achieving sustainable energy goals.