Mountaintop worship service. Load the Sugarloaf superquad chairlift by 10:30 a.m. Discounted lift tickets are available at the Sugarloaf Outpost. Sugarloaf Christian Ministry, Sugarloaf Access Road, Carrabassett Valley. 237-2304. 11 a.m. to noon Sunday.

Before the Flood: Paintings and Video by Anita Clearfield, reflecting on the end of times, climate change and personal mortality. Free. Maine Jewish Museum, 267 Congress St., Portland, mainejewish museum.org, 1-4 p.m. Sunday.

Ice cream social, celebrating 135 years of service by Trinity Lutheran Church. Free. Trinity Lutheran Church, 612 Main St., Westbrook. www.trinitywestbrook.com, 2-4 p.m. Sunday.

To submit an item for the Religion Calendar, go to MaineToday.com and click on the calendar tab.