monitor atmospheric radioactivity; and called upon the Conference to report on progress to the Assembly at its forty-second session (resolution 41/47). At its forty-second session, the General Assembly reaffirmed its conviction that a treaty to achieve the prohibition of all nuclear-test explosions by all States in all environments for all time was a matter of fundamental importance; urged the Conference on Disarmament to initiate substantive work on all aspects of a comprehensive nuclear-test-ban treaty at the beginning of its 1988 session and reiterated its recommendations to the States members of the Conference to promote such work, to the nuclear-weapon States to agree to appropriate verifiable interim measures, and to nuclear-weapon State6 that had not yet done so to adhere to the partial test-ban treaty; urged the Conference to establish immediately a seismic monitoring network to verify compliance, taking into account the work of the )&&G Group of Scientific Experts to Consider international Co-operative Measures to Detect and Identify Seismic Events, and to investigate other measures: and called I... A/45/100 English Page 147 upon the Conference to report progress to the General Assembly at its forty-third session (resolution 42/27). At its forty-third session, the General Assembly, convinced of the urgent need to end nuclear testing, and welcoming the ocgoiny negotiations between the United States of America and the Union of Soviet Socialist Republics, the conclusion on 8 December 1987 of the Treaty on the Elimination of their Intermediate-Range and Shorter-Range Missiles signed by them and the agreement in principle and progress made towards an agreement for 50 per cent reductions in their strategic nuclear forces, urged the Conference on Disarmsment to intensify its consideration of a nuclear-test ban and to initiate substantive work on all aspects of a nuclear-test-ban treaty at the beginning of its 1989 session: reiterated its call 
**Analysis**
The text appears to be discussing international efforts to prohibit nuclear testing and establish a comprehensive nuclear-test-ban treaty. It mentions the Conference on Disarmament, seismic monitoring networks, and the work of scientific experts. The language used is formal and diplomatic, suggesting that the text is related to international relations and security.

**Category**
Science and technology, International relations