Read the Archbishop's sermon preached during the Christmas Day Eucharist at Canterbury Cathedral today.
In their Christmas letter the Christian leaders welcome the "small progress" that has been made, but say it is "not enough" for the people of South Sudan.
In joint statement Kent's Anglican leaders called for decisive government action to support those stranded in Dover and local communities.
Read the Archbishop's Christmas letter to ecumenical leaders and churches around the world.
The Archbishop was interviewed by Christiane Amanpour on CNN this evening.
Read the text of Archbishop Justin Welby and Archbishop Stephen Cottrell's shared presidential address to General Synod today.
The Archbishop will spend the time between May and early August next year in prayer, study and reflection.
Dr Hamley will serve as Secretary for Ecumenical Relations and Theology and Theological Adviser to the House of Bishops.
Read the Archbishop's sermon at today's service at Westminster Abbey.