Sustainable: Organizations warming to geothermal energy

Read the full story in Minnesota Finance & Commerce.

The Margaret A. Cargill Philanthropies last year celebrated the opening of a 66,777-square-foot addition that included a geothermal exchange system for heating and cooling office space.

Cargill Philanthropies is one of a handful of organizations in Minnesota that have installed geothermal systems over the last few years. Although geothermal exchange systems require a significant upfront investment, the equipment generally lasts for decades and the fuel source, the Earth, costs nothing.

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