On May 23rd at 6:00 pm Sara will present at the First Unitarian Church, 2508 Jackson St. in Sioux City, followed by a short hike at the nearby Sioux City Prairie.  The event is free to the public and is hosted by the Northwest Iowa Group Sierra Club, more information can be found at http://www.sierraclub.org/iowa/northwest-iowa , on Facebook, or by calling: 712-389-0841.