Descargar Libro: Salvando El Medio Ambiente = Saving The Environment

The world is changing. Air pollution is making people sick. Ice caps and glaciers are melting and mixing with the ocean, diminishing our water supply. The planets temperature is rising, drying out soil, causing forest fires that destroy homes and threaten lives. In these changing times, we are not helpless. Theres something everyone can do to help, even you. The first step is to understand the problems we face on this planet.

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