50 simple things kids can do to save the earth

Explains how specific things in a child's environment are connected to the rest of the world, how using them affects the planet, and how the individual can develop habits and projects that are environmentally sound.

Xehetasun bibliografikoak
Beste egile batzuk: Earth Works Group (Estados Unidos)
Formatua: Libro
Argitaratua: Kansas City Andrews and McMeel [1990]
Gaiak:

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