Nations delegated to the Administrator of UNDP the full responsibility for the administration, control and operation of the Fund, including the administration and direction of the United Nations Sudano-Sahelian Offioe (UNSO) at headquarters and in the field. UN80 acts as the primary United Nations contact with the Permanent Inter-State Committee on Drought Control in the Sahel (CILSS) and, in consultation with CILSS and the Governments concerned, selects and implements priority projects oontained in tbo CILSS prograsmm of medium-trrm and long-term recovery and rehabilitation in the drought-stricken Sahbrlian countrirs. 39. As shown in statement IX, the total income of the lurid in 1989 amounted to $32.0 million and expenditure to $18.1 million. At the end of 1989, tbe unspent allocations amounted to $26.2 million. The status of all sub-trust funds is roflocted in statement XXVII. PI xm., 1912. (S/l982/16/Rev.l), decision 82122, para. 6. up/ Ibip., 1988. No. p (t/1988/19), decision 88144, para. 1. -lO- United Nations Su&l+Sahelian Offiae .- Plan of Action to Combat Desertif- 40. The United Nations Sudano-Sahelian Office is responsible for assisting, on behalf of the United Nations Environment Progronune (UNEP), the aountrios of the Sudan+Sahelian region in the implementation of the Plan of Action to Combat Desertification. The work is aarried out as a UNDP/UNEP joint venture, with both programmes contributing equal shares of programme (operational) support and administrative (institutional) support. Details of contributions reaeived and expenditure incurred on the UNDP/UNEP joint venture are given in note 21 (b) to the finanaial statements. mted Nations Volunteers proarammg 41. This progrsrnme was established by General Assembly resolution 2659 (XXV) of 7 December 1970. As shown in statement X, the total income of the UNV programme in 1989 amounted to $0.2 million and expenditure of the trust fund to $4.0 million, 
**Analysis**
The text appears to be discussing the United Nations Development Programme (UNDP) and its involvement in various projects related to economic development, humanitarian aid, and environmental conservation in the Sahel region. The mention of the Plan of Action to Combat Desertification and the UNDP/UNEP joint venture suggests a focus on environmental issues, while the discussion of the UNV programme and its expenditures implies a humanitarian aspect.

**Category**
Natural resources and environment, Humanitarian aid and relief