This book offers a clear introduction to the energy transition and the shift toward renewable energy sources.The global energy transition is reshaping how electricity is generated, how buildings are heated, and how transport is powered. This book, generated by artificial intelligence, offers a straightforward introduction to the shift away from fossil fuels toward renewable energy sources such as wind, solar, and hydropower. In these pages, you will find clear explanations of how different energy technologies work, why the transition is happening now, and what the main challenges and trade-offs involve. The book covers the role of policy, economics, and technology without assuming prior expertise. Whether you are approaching the subject for the first time or looking to organise what you already know, this guide gives you a solid foundation for understanding one of the defining developments of our time.The global energy transition is reshaping how electricity is generated, how buildings are heated, and how transport is powered. This book, generated by artificial intelligence, offers a straightforward introduction to the shift away from fossil fuels toward renewable energy sources such as wind, solar, and hydropower. In these pages, you will find clear explanations of how different energy technologies work, why the transition is happening now, and what the main challenges and trade-offs involve. The book covers the role of policy, economics, and technology without assuming prior expertise. Whether you are approaching the subject for the first time or looking to organise what you already know, this guide gives you a solid foundation for understanding one of the defining developments of our time.