Public Hearing. Albany County Redistricting Commission moves toward issuing final maps we are holding our third and possibly final joint hearing. Register to speak at albanycounty.com/acrc., In-Person, and via Zoom.  5 p.m at Cahill Room, Harold L. Joyce Albany County Office Building 112 State Street, Albany, 12207

Geology Walk. Limestone bedrock is highly prone to erosion, which can lead to some peculiar changes in a landscape's surface. Learn about how these changes are created, and how they contribute to Thacher's unique karst geology. To register please call 518-872-0800. 1 p.m. at 87 Nature Center Way, Voorheesville 12186

Mark Rabbi Don Cashman's Retirement. Cashman led B’nai Sholom for 35 years, retiring in 2020. The brunch will feature a kosher dairy menu and remarks and tributes from distinguished community members. 11:30 a.m. at Sidney Albert Albany Jewish Community Center, 340 Whitehall Road,

Keeping the Light. An afternoon of hors d’oeuvres, cocktails, live music and silent auction. 3 p.m. at River Grill, 1 North Water Street, Athens, 12015

Butterflies of the Albany Pine Bush Preserve. There are nearly 100 species of butterflies at the Preserve. Build observation and identification skills on a 0.9-mile guided hike over rolling dunes and explore these insects' role in this rare ecosystem. Reservations are required for every attendee. Sign up at www.AlbanyPineBush.org/events or 518-456-0655. 1 p.m. at Albany Pine Bush Preserve, New Karner Rd, Albany, 12205

History Webinar.  Noble Volunteers: the British Soldiers Who Fought the American Revolution - Webinar. The NYS Library hosts author Don N. Hagist at this online program. Register - https://nyslibrary.libcal.com/event/8646433. 1 p.m. via virtual

The Ins And Outs Of A Solar Eclipse.  Community Caregiver's Lunchtime Chat. 1 p.m. via free conference call at 518-992-6661.

Community Lunch. A free eat-in Community Lunch. 1 p.m. at First United Methodist Church at 68 Maple Ave. in Voorheesville 

Kayak Through History at Schenectady. Kayak tour takes you from the modern Mohawk Harbor to the site of our city’s ancient port. Meet at Mohawk Harbor near Druthers Tickets cost $35 on June 29 at 6 p.m. and July 2 at 10 a.m. at Harborside Dr, Schenectady, 12305, 

Nature Night Out. A series of three summer evening events that invite everyone to drop everything and get into nature. The Albany Pine Bush Discovery Center will extend operations until 7:30 p.m. at Albany Pine Bush Preserve Commission 195 New Karner Road, Suite 1 Albany, 2205