Invites the Secretary-General of the United Nations Conference on Trade and Development to take the necessary action to pursue and expedite, where appropriate. the studies and other work requested in paragraph 7 of Trade and Development Board resolution 393 (XXXVIII).17 taking into account what is being done by the United Nations Conference on Environment and Development in this area, so that they may in addition contribute effectively, within the mandate of the United Nations Conference on Trade and Development, to the preparatory process for the United Nations Conference on Environment and Development and its follow-up.