Why Jesus 2016, a one-time, all-day conference on evidence for Christian faith, $15, Cross Insurance Center, 515 Main St., Bangor, www.whyjesus2016.org, 8 a.m.-9:20 p.m. Sunday.

Mother’s Day Celebration and Interfaith Service, join ChIME students, faculty and friends, with musician and teacher Russill Paul, donation, Ludcke Auditorium, UNE, Portland campus, 716 Stevens Ave., www.chimeofmaine.org/events, 10 a.m. Sunday.

Beholding Nature: Spiritual Ecology Through the Eyes of the Heart, ongoing discussion of “Spiritual Ecology: The Cry of the Earth,” including experiential practices in broadening perception, donation, Unity of Greater Portland, 54 River Road, Windham, unitygreaterportland.org, 6:30 p.m. Monday.

Author Talk with Glenn Kurtz, free, Congregation Etz Chaim, 36 Bacon St., Biddeford, etzchaimme.org, 7-8:30 p.m. Thursday.

Christian science lecture, free talk, Larissa Snorek-Yates will speak on “The Healing Power of Stillness,” free, Allen Avenue Unitarian Church, 524 Allen Ave., Portland, csportlandme.com, Friday.

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