"Did you know that the sunlight that warms your skin on a sunny day can be used to produce energy? But how exactly do you collect sunlight and turn it into energy we can use? And what is the effect on the environment? Read this book to find out all about solar energy"--Provided by the publisher.
Discover what green energy is and learn about its potential to meet our energy needs in an ongoing, sustainable way. Green energy includes solar power, wind turbines, biomass fuels and many more. Some forms of green energy are more suited to certain locations. Observe how geothermal energy helps to power much of Reykjav?k, Iceland, and see elements of green energy, sustainable design and conservation.
"NOVA presents a provocative mix of scientists, economists, and ordinary citizens who are all pushing the envelope of solar power's untapped potential" -- Container.
Chandra and her sister Deena see a demonstration of a "magic light," a solar-powered lantern, at a market near their home in Nepal and are determined to buy one, knowing it will help their little brother's cough to stop using kerosene lamps. Includes facts about Nepal.
Describes solar energy and how human beings have been able to harness the power of the sun, a cleaner source of energy than coal or oil, but also explores some of the drawbacks of solar power, such as the fact that the sun isn't always shining.
Charging a cell phone and going for a run both use energy. Plants create energy using sunlight. People eat food and break it down for energy. In short, energy is everywhere! Readers will learn the basic components of energy, including matter and atoms, as well as the many different kinds of energy that exist in the universe.
Presents brief discussions of the types and benefits of various alternative energy sources, such as biodiesel, solar, wave and tidal, natural gas, and geothermal, coveringvarious technologies and case studies, with illustrations.
Explores the history and future of solar energy, and highlights how it's harvested. Includes text-related questions, a glossary, resources for further information, and color photographs.
