Ron Bernardi of Sunset Foods grills up some "carrot dogs" during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Northbrook homeowner Vili Weszt (left) talks to Dave Melamed about wind turbines during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Seven-year-old Elyn Choi of Northbrook enjoys a pony ride during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Thirteen-year-old Daniel Nibeck plays with Glenbrook North's jazz combos during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Northbrook public works employee Randy Hayden unloads items being dropped off to be recycled during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Northbrook public works employe, Randy Hayden unloads items being dropped off to be recycled during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media

Meno Ramos packs up televisions that were dropped off to be recycled during Saturday's Earth Day/Arbor Day celebration at the Village Green in Northbrook. | Brian O'Mahoney~for Sun-Times Media