Presented is a summary of considerations Specialized Agencies within the United Nations have given to the problems of the human environment. Uppermost are the problems of pollution--air, water, noise, marine, radiation, food, pesticide--as well as those of economic and social concern, environmental health, and misuse of the environment. Agencies and committees included in the report are: United Nations Committee to Study the Peaceful Uses of the Sea-Bed and the Ocean Floor Beyond the Limits of National Jurisdiction, United Nations Scientific Committee on the Effects of Atomic Radiation, Economic Commission for Europe embracing the Body on Water Resources and Water Pollution Control Problems and the Working Party on Air Pollution Problems, United Nations Children's Fund (UNICEF), Food and Agriculture Organization of the United Nations (FAO), International Atomic Energy Agency (IAEA), International Civil Aviation Organization (ICAO), International Labour Organization (ILS), United Nations Educational, Scientific and Cultural Organization (UNESCO), World Health Organization (WHO), World Meteorological Organization (WMO), and Inter-Governmental Maritime Consultative Organization (IMCO). An extensive list of publications available from each group dealing with environmental problems is indicated where appropriate. (BL)