Green Technology and Sustainable Development is a humble effort to encourage students to incorporate sustainability into their daily routines to conserve the precious natural resources. It explores the concept and need of green technologies; core renewable technologies like solar, wind, hydropower, geothermal, nuclear, and tidal power; global and Indian policies; and practices for the sustainable transformation. This book not only explores the technical aspects but also provokes the reader to think about socio-economic inequality, human survival on this planet, and their role in fighting climate change. The book is designed to be simple to suit almost all branches of various universities by avoiding mathematical equations, jargon of technical terms, and tough vocabulary, so that students may feel joy while reading.