Nations system in matters relating to aging. The Centrers vrork proqramne. in accordance with the recommendations of the International Plan of Action on Aging, encompasses collection and dissemination of inforf€tion, substantive backstopping of technical co-operaEion activities, research and training, and co-ordination and Iiaison with intergover nmenta I and non-governmenCa I organizations on aging questions. 17. Since Ehe adoption of Che Plan of Action in 1982, the international network for inforrnation exchange on aging has been strengthened, enabling il !o become a significant instrument for information exchange activities at the inlernational level. Membership in the netlrork has increased to over 50 organizations representing every region of the world, Net'rork activities focus on exchange of information among participating organizations, other concerned institutions and individuals, lrith tbe Centre for Social Development and Humanitari.an Affairs serving as facilitator and co-ordinator. Netrrork members provide one another \'rith assistance in executing studies and projects and also constitute a general source of readi.ly available expertise in the field of aging Co the larger policy-making research conmunities. In a1t norld regions. network members play a significanl role in identifying, encouraging and implementing training and technical co-operation activities. 18. As enphasized in the Plan of Act.ion in its paragraph 107, meetings and seminars have proved !o be most valuable in providing a regional and international exchange of information and experience and should be continued. To this end. the United liations convened an interregional seminar to promote the implementation of the Plan j.n Kiev, ukraj.nian ssR, from 6 to 22 September 1985. Participants from 35 developinq countries were invited, in addition to concerned United Nacions agencies and a number of non-governmenla L organizations. The purpose of this Seminar was to provide a forum to encourage the exchange of i.nfornation and experience wich lhe uLtimate aim of fostering understanding, developing alternative strategies for
**Analysis**
The text discusses the United Nations' efforts to address aging-related issues, including the collection and dissemination of information, research, training, and coordination with various organizations. The focus is on international cooperation and exchange of information among countries, rather than specific economic or environmental issues. The text also mentions the promotion of understanding and development of alternative strategies, which suggests a broader scope than a single specific category.

**Category**
Humanitarian aid and relief, Health