The inability of cities to provide and maintain adequate infrastructure affects the living and working environment of their populations, especially... Read more...
The development of two pumps, the rope-washer pump and the treadle pump, is described. The pumps can be made by the informal artisan sector and are... Read more...
The film describes how governments and international organisations are helping to bring clean water to rural areas in developing countries. Lack of... Read more...
Description of the development of the ventilated improved pit (VIP) latrine or Blair latrine in Zimbabwe where the VIP latrine is a national... Read more...