FALL RIVER - On the fourth Sunday of Easter, April 22, St. Luke's Episcopal Church, 315 Warren St., will celebrate Earth Day. Special prayers and hymns will be offered and the Sunday school students will plant and nurture sunflower seeds in anticipation of the summer growing season. The service will take place at 9:30 a.m., followed by a coffee hour in the church hall. For more information, contact Reverend Susan Lee at  508-678-5118.