From a shimmering French office building clad in solar panels to a small bio-gas plant outside a home in India, examples of clean energy are the focus in this slim title in the Earth in Danger series. Following brief definitions of renewable and nonrenewable energy sources, the spreads introduce various methods of producing Earth-friendly power, most often by harnessing natural forces such as sun, wind, and water movement. Orme presents concepts in clear, simplified language that may leave students with questions, such as how fossil fuels form or what, exactly, are the “dangerous wastes” that a nuclear plant produces. An appended section, “Just the Facts,” delves into further detail about the issues with focused, interesting statistics (“Three percent of all the energy made in the U.
