"Join Finn and Zeek, two alien tour guides, as they explore the different types of green energy on Planet Earth. From wind to geothermal, learn how humans create clean energy"--
Ever wonder how to make electricity from the wind or keep your house war without a furnace? Read about the science and technology behind these wonders and more.
"Discover . . . what people are doing to make food more sustainable, and learn how [to] . . . take eco action to help protect our . . . planet"--Provided by publisher.