50 simple things you can do to save the earth
By: The Earth Works Group.
Contributors: Earth Works Group.
Edition: [1st ed.]
Publisher: Earthworks Press
Place of publication: Berkeley, CA
Number of pages: 96
Subjects: Ecology.; Environmental education  -- Study and teaching.; Environmental protection  -- Study and teaching.; Recycling (Waste, etc.); Conservation of natural resources.
Other titles: Fifty simple things you can do to save the earth.