FRIDELL, Ron . Protecting Earths Water Supply diag. notes. ISBN 978-0-8225-7557-3 . LC 2007035924. JOHNSON, Rebecca L. Understanding Global Warming charts. diags. map. ISBN 978-0-8225-7561-0 . LC 2007048358. RAPP, Valerie . Protecting Earths Air Quality charts. map. ISBN 978-0-8225-7558-0 . LC 2008000907. RAPP, Valerie . Protecting Earths Land diags. maps. ISBN 978-0-8225-7559-7 . LC 2008003549. WELSBACHER, Anne . Earth-Friendly Design diags. notes. ISBN 978-0-8225-7564-1 . LC 2007035925. WELSBACHER, Anne . Protecting Earths Rain Forests maps. ISBN 978-0-8225-7562-7 . LC 2007038859. WILCOX, Charlotte . Earth-Friendly Waste Management charts. diag. notes. ISBN 978-0-8225-7560-3 . LC 2008001883. ea vol: 72p. (Saving Our Living Earth Series). illus. photos. bibliog. further reading. glossary. index. CIP. Lerner 2008. PLB $30.60. Gr 5-8 Each volume provides a thorough, interesting discussion of multiple aspects of its topic, including historical origins, the current situation, and potential solutions. Maps, charts, and diagrams help readers visualize subjects such as the carbon cycle and the structure of sanitary landfills. Photos from around the world accompany discussions of problems and strategies for dealing with them in many countries, from air pollution in India to wave farms off the coast of Portugal. While stressing the need for immediate action to reduce threats such as global warming, the books provide a list of ways to go green as well as instructions for contacting government leaders to express concern about environmental issues. Solid choices to replace outdated books and/or to fill in gaps.