The public is invited to celebrate the benefits of treating mental illness and substance abuse in a free event called Unify North Georgia. In recognition of National Recovery Month, Unify North Georgia will be held 9 a.m. to 2 p.m. Saturday at Laurel Park on Lake Lanier as a community effort hosted by the Collaborative Recovery Committee, according to Cindy Driggers, regional director for Benchmark Human Services. Driggers said Benchmark is funded by the Department of Behavioral Health and Developmental Disabilities and is required to hold a community collaborative with area behavioral health agencies.