Free tree climbing with Earth Joy will be one highlight of Great Outdoor Weekend, which will highlight adventures in the Cincinnati area Saturday-Sunday, Sept. 26-27. [Info] There also will be gardening classes, hikes, canoe trips and sampling of pawpaw, Ohio's most peculiar fruit. The Ohio Department of Natural Resources has approved funding to develop or improve 15 recreational trails throughout the state, including one in Gahanna. The details are encouraging. The Columbus Metropolitan Club will host "21st Century Energy," a lecture discussing Ohio's place in the global fuel crisis, at 12:30 p.m. Wednesday, Sept. 23. [Info]