What's Your Watt

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Recognizing that green practices start at home, the Library circulates home electric metering devices so library users can measure their energy use in home appliances. Borrowers take the devices home and plug them in to their appliances to determine wattage, associated costs and C02 emissions.

About Green Stacks

A partnership of San Francisco Public Library, San Francisco Environment and Friends of the San Francisco Public Library, in conjunction with the Wallace Stegner Environmental Center. The Library strives to inspire and inform users about greener living, with enlightening public events, reading lists, sustainability resources, and real-world examples from our eco-friendly libraries.

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