Energy awareness

    Observer photo by Tim Simard
Aaron Dempsey, 8, rides a stationary mountain bike to learn how much energy it takes to light a compact fluorescent bulb, while his father Donald Dempsey (left) talks with Seth Wolcott of the Vermont Energy Education Program. The bike demonstration was a highlight of Saturday’s Williston Energy Fair, hosted by Williston Green Initiatives at Town Hall. See story below.