The Intergovernmental Oceanographic Commission (IOC) functions within the United Nations Educational, Scientific, and Cultural Organization (Unesco) to promote scientific investigation into the nature and resources of the world's oceans. Summarized in this report are discussions that took place in both preparatory meetings and plenary sessions of the eleventh session of the IOC Assembly, which was held during October and November, 1979. Topics addressed at this meeting included global atmospheric research, marine pollution, regional ocean science programs, monitoring services, data exchange, and training and education in the marine sciences. Appended are abstracts of lectures related to the theme "Marine Environment and Resources in the Ocean." Also among the appended materials are the 39 resolutions adopted at this conference. (WB)