Describes the problems posed by fossil fuel dependence; includes information on such alternative energy sources as biogas, solar and wind power, and fuel cells; and provides tips for saving energy.
Presents some of the artifacts and treasures from ancient Egypt, describing such items as writing tools, weapons, cosmetics, musical instruments, sculpture, wall paintings, and papyrus documents.
Help save the planet by going green! From disappearing animals to drastic droughts, the planet is in trouble and you can do something to help. Learn about conserving water, saving forests, and fightin
