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.

מידע ביבליוגרפי
מחברים אחרים: Earth Works Group (Estados Unidos)
פורמט: Libro
יצא לאור: Kansas City Andrews and McMeel [1990]
נושאים:

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