The history of renewable energy dates back centuries, with early forms like windmills and waterwheels harnessing natural forces. In the 20th century, advances in solar, wind, and hydropower technology gained momentum as alternatives to fossil fuels. The 1970s energy crises sparked interest in clean energy, leading to innovations and investments. Today, renewable energy is central to combating climate change, with solar and wind power rapidly growing. The future of renewable energy focuses on improving efficiency, energy storage, and grid integration, with technologies like tidal power and advanced batteries offering new possibilities for sustainable, carbon-free energy production worldwide.