• A town hall meeting on “Elder Abuse Prevention” will be from 6:30 to 7:30 pm Thursday, Sept. 4, at the Viking Sal Senior Center, 245 W. 5th Ave. in Junction City. Reps. Val Hoyle and Vic Gilliam and attorney Sylvia Sycamore will be on the panel. 

• Measure 90, the “top two” proposal on the November ballot that would change our statewide election system, will be the topic at City Club of Eugene’s first program following the summer break. Speakers have not been announced, but both pro and con views are expected to be represented. City Club meets at noon Friday, Sept. 5, at the Downtown Athletic Club, 999 Willamette St. $5 for non-members. The Sept. 12 program is titled, “Ballot Measure Speed Dating” with various speakers. See cityclubofeugene.org or call 485-7433.

 • Daniel Ellsberg will speak in Portland at 7 pm Thursday, Sept. 4, as part of the Wayne Morse Legacy Series. Joining Ellsberg in the free event will be historian Christian Appy and Lt. Col. Thuy Tran. Registration for “The Echoes of Vietnam” is required at worldoregon.org.

• Wilderness 50th Celebration Week continues with an Oregon Wild hike to Shale Ridge in the Three Sisters Wilderness Friday, Sept. 5. See oregonwild.org to register. A Sierra Club hike on the French Pete Creek Trail in the Three Sisters Wilderness will be Saturday, Sept. 6. See meetup.com/sierraclubmanyrivers. An open house at the Obsidians Lodge featuring speaker Bill Sullivan will be from 1 to 4 pm Sunday, Sept. 7. See obsidians.org.