"Agua Consumo eficiente" . . "Ahorro de energía" . . "Économies d'énergie Ouvrages pour la jeunesse." . . . . . . "Now we know about-- saving water and energy"@en . . . . . . "Juvenile works" . . "Juvenile works"@en . . "Ahorra agua y energía" . "Ahorra agua y energía"@es . . . . "An introduction to water and energy conservation that discusses the importance of protecting natural resources, and provides information on recycling and ways to conserve." . . . "Saving water and energy"@en . "Saving water and energy" . . . . "Discusses renewable energy, water conservation, and climate change in relation to the energy and water we use, where water and energy come from, and why we need to do all we can to reduce the amount we use. Clearly labeled photographs and simple diagrams explain all the different concepts involved." . . . . "Explains the dangers of squandering the earth's natural resources and how we can help conserve them."@en . "Conservación de energía Literatura juvenil." . . . . "Eau Conservation Ouvrages pour la jeunesse." . .