KOLD News 13
Summary
The University of Arizona unveiled an interactive display that uses rolling balls to demonstrate how the university plans to reduce its carbon footprint by one-third over the next two decades.
Blue and red balls roll along winding steel tracks inside a glass display case. Starting from a miniature spinning wind turbine and solar panels, the balls roll through replicas of campus landmarks such as Old Main, Arizona Stadium and Main Gate Square.
The balls represent clean energy generated from Tucson Electric Power’s Wilmot Energy Center solar-plus-storage system south of Tucson and its Oso Grande Wind farm in southeast New Mexico, both of which power the UArizona main campus.
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