Ecumenism across the Christian traditions

The Ecumenical Center, World Council of Churches, Geneva, as it looked in 1970 (lower half of photograph). Ecumenism is a movement that seeks to foster greater unity, reconciliation, and cooperation among Christians. The term derives from the Greek wordย oikoumeneย (โ€œthe whole inhabited worldโ€) and reflects Jesus' prayer that his followers "may all be one" (John 17:21).ย  …