Fr. Anthony Chang is the co-founder and editorial consultant of Yi—China Message since 1979; established and has been the director of the Centre for the Re-search of Faith since 1983; is the co-founder and spiritual advisor of Catholic Messengers of Green Consciousness since 1989; of HK Catholic Vegetarian Association and HK Catholic Breastfeeding Association since 2011, and of Catholic Sustainable Garden of Joy since 2012.