United Nations Conference on Environment and Development . . . . . . . . . . . Protection of global climate for present and future generations of mankind . . . . . . . . . . . . . . . . ..I...~..................................... International co-operation for the eradication of poverty in developing countries . ..*............*.....*....*........ .*........ External debt crisis and development ..,...................,....a*.. Operational activities for development: (a) Operational activities of the United X&ions system . . . . . . . . . . . (b) United Nations Development Programme . . . ..a.................... (c) United Nations Population Fund . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (d) United Nations Children’s Fund . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . (e) World Food Programme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Training and research: (a) United Nations Institute for Training and Research ,........... (b) United Nations University . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Special economic and disaster relief assistance: (a) Office of the United Nations Disaster Relief Co-ordinator . . . . 
**Analysis**
The text appears to be focused on the United Nations Conference on Environment and Development, which suggests a connection to natural resources and environmental issues. However, the text also mentions poverty eradication, development, and humanitarian aid, which could suggest a broader scope. Given the presence of various UN agencies and programs, it seems likely that the category will be related to economic development and humanitarian aid.

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