JHSPH OpenCourseWare, Tropical Environmental Health

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Johns Hopkins Bloomberg School of Public Health,
Baltimore, MD 21205,

Description: Inadequate water supplies and lack of sanitation facilities represent major hazards to the public health in many parts of the world. In spite of the International Water Supply Decade, (1980-1990) there are more people without facilities approaching minimum standards now than existed at the beginning of the program. Without improvements in these areas, there can be no hope that there will be an overall improvement in the health of the nations which constitute the Third World. Yet appropriate technologies do exist which can go a long way to ameliorate these problems. Simple, low cost projects can be built and maintained by village-based methods. These are being used in some countries and provide a basis for the improvement of living standards for the poorer people of the world. This is a practical course designed to demonstrate actual details of construction and provide a working knowledge of simple mechanisms involved in ventilating latrines and also on how simple pumps work. You should end with a good idea about how these tings work and how they can be maintained.