Title: Nuestra huella en la tierra
Description: Looks at the effects of human activity on the environment and discusses steps that can be taken to reduce our negative impact, including recycling, chemical-free gardening, using renewable energy sources, and conserving water.

En este libro se explica cómo podemos contribuir a mejorar nuestro medio ambiente y dejar de contaminar.
Subjects: Nature, Aspectos ambientales, Environmental responsibility, Contaminación, Effect of human beings on, Responsabilidad ambiental, Naturaleza, Tecnología, Juvenile literature, Technology, Environmental aspects, Literatura juvenil, Pollution, Technology, juvenile literature, Pollution, juvenile literature, Nature, effect of human beings on