This booklet contains a summary of the preparation efforts of the United States for participation in the U.N. Conference on the Human Environment. This conference, the first world-wide effort of governments to consider and act upon the environmental problems of the entire human community, was held in Stockholm in June, 1972. Description is given of the planning phase of the conference, the agenda, the varied interests and issues to be considered, and of expected accomplishments of the meeting. The major topics discussed include: 1) Planning and Management of Human Settlements for Environmental Quality; 2) Environmental Aspects of Natural Resource Management; 3) Identification and Control of Pollutants of Broad Educational Significance; 4) Educational Social, Cultural, and Informational Implications of Action Proposals; 5) Development and Environment; and 6) International Organization and the Environment. In summary, the priority objectives of the United States government in the Stockholm conference are listed. (SHM)