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.

Podrobná bibliografie
Další autoři: Earth Works Group (Estados Unidos)
Médium: Libro
Vydáno: Kansas City Andrews and McMeel [1990]
Témata:

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