Explaining how the wind works, what windmills have contributed to the past, and why they offer environmental promise today as a source of clean, renewable energy, this revised and updated edition offers a glimpse into all the current and historical uses for wind power. Featuring new information on wind energy technology and wind farms, new photographs, and 24 wind-related activities -- from keeping track of household energy use and conducting science experiments to cooking traditional meals and creating arts and crafts -- this handy resource offers children interested in the science of energy and green technologies an engaging, interactive, and contemporary overview of wind power.