As the world faces pressing challenges like climate change, rising energy demands, and the depletion of fossil fuels, the transition to renewable energy has become not just necessary, but urgent. Renewable energy sources—such as solar, wind, hydro, geothermal, and biomass—offer sustainable, environmentally friendly alternatives that can help ensure energy security while reducing carbon emissions. Renewable Energy and Resources is a foundational text designed to introduce readers to the science, technology, and practical applications of renewable energy.