The global energy crisis is an increasingly urgent issue, driven by ever-increasing demand, limited fossil resources and climate change. To solve these problems, various innovative solutions and complex challenges emerge. One important solution is a shift to renewable energy sources such as solar, wind and hydro power. Investment in renewable energy-based power generation technologies has accelerated in recent years, helping to reduce dependence on fossil fuels. According to a report from the International Renewable Energy Agency (IRENA), global renewable energy capacity will reach more than 2,800 GW by 2022. The development of energy storage technology is also key. With advances in lithium-ion batteries and other storage technologies, energy from renewable sources can be stored for use when demand is high or when the weather is unfavorable. In this case, smart grid systems help in efficient distribution of energy, reducing waste and ensuring stable supply. However, the shift to renewable energy is not without challenges. Existing infrastructure often needs to be updated to support the integration of new energy sources. Regulatory mechanisms and government policies must also be adjusted to support investment and development of renewable energy. In addition, there are challenges in ensuring energy access for populations experiencing limitations. On the other hand, the global energy crisis is also encouraging research in green hydrogen technology. Hydrogen, produced using renewable energy, offers potential as a clean fuel for transportation and industry. Global initiatives such as the Green Hydrogen Catapult seek to accelerate green hydrogen production with the goal of significantly lowering costs in the next decade. The energy crisis also emphasizes the need for energy efficiency. Smart technologies that optimize energy use in buildings, industry and transportation can help reduce overall consumption. For example, implementing an AI-based energy management system can automatically adjust energy use according to needs, reducing waste and operating costs. In a geopolitical context, tensions between energy producing countries can influence global energy supplies and prices. Creating redundancy in supply by developing diversification of energy sources and increasing international cooperation is an important step in addressing these risks. Meanwhile, adaptation approaches to climate change are becoming increasingly relevant. Ecosystem restoration projects and increasing the resilience of energy infrastructure to natural disasters are steps that must be taken to mitigate the impact of the energy crisis. Involving local communities in the planning and implementation of sustainable energy initiatives can also help ensure sustainability and social acceptability. The transportation sector, as one of the largest contributors to emissions, is also undergoing transformation. Electric cars, supported by the development of better charging infrastructure, offer a solution to reduce dependence on fossil fuels. Additionally, innovations in public transport, such as electric buses and light rail, will support the transition to a cleaner environment. Overall, the global energy crisis presents complex challenges but also innovative opportunities. A combination of solutions, from renewable energy to energy efficiency and clean technology development, is needed to achieve a sustainable energy system. The involvement of government, industry and society is key to facing these challenges and moving towards a safer and more sustainable energy future.