A/RES/51/123 Page 5 (a) Consider the following items on a priority basis: (i) United Nations Programme on Space Applications and the coordination of space activities within the United Nations system; (ii) Implementation of the recommendations of the Second United Nations Conference on the Exploration and Peaceful Uses of Outer Space;2 (iii) (iv) Matters relating to remote sensing of the Earth by satellites, including, inter alia, applications for developing countries; Use of nuclear power sources in outer space; (v) Space debris; (b) Consider the following items: (i) Questions relating to space transportation systems and their implications for future activities in space; (ii) (iii) (iv) (v) (vi) (vii) Examination of the physical nature and technical attributes of the geostationary orbit and of its utilization and applications, including, inter alia, in the field of space communications, as well as other questions relating to space communications developments, taking particular account of the needs and interests of developing countries; Matters relating to life sciences, including space medicine; Progress in national and international space activities related to the Earth's environment, in particular progress in the international geosphere-biosphere (global change) programme; Matters relating to planetary exploration; Matters relating to astronomy; The theme fixed for special attention at the thirty-fourth session of the Scientific and Technical Subcommittee: "Space systems for direct broadcasting and global information systems for space research"; the Committee on Space Research and the International Astronautical Federation, in liaison with Member States, should be invited to arrange a symposium, with as wide a participation as possible, to be held during the first week of the Subcommittee's session, to complement discussions within the Subcommittee on the special theme; 19. Considers, in the context of paragraph 18 (a) (ii) above, that it is particularly urgent to implement the following recommendations: (a) All countries should have the opportunity to use the techniques resulting from medical studies in space; /...