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Environmental update: Here are a few New Year’s environmental resolutions 4 minute read Patwin Elementary sixth-grader Grace Swift describes the solar-powered horse water trough that she built as her renewable energy engineering design project at the Patwin Science Fair in April 2019. Other students built solar cars, solar ovens, a hydro pump, a solar-powered dollhouse, potato-operated party lights, solar USB chargers, a solar drone changer, solar hand warmers, and a cranked generator-powered...