30 simple energy things you can do to save the earth.
Contributors: EarthWorks Group (U.S.); Pacific Gas and Electric Company.
Publisher: Earth Works Group ; [San Francisco, Calif.]; Dist. by Pacific Gas & Electric Company
Published: 2006
Place of publication: [Berkeley, Calif.]
Number of pages: 96
Subjects: Environmental protection -- Citizen participation.; Energy conservation.; Conservation of natural resources.
Other titles: Thirty simple energy things you can do to save the earth