The consumption of energy and the direction of its further development has always depended on the choices made by consumers, producers, governments and societies. The selection was made according to the criteria costs, quality, reliability, security, convenience and social impacts. Governments...

This paper describes and evaluates the first demographic surveillance system (DSS) in Malawi, covering a rural population of 30,000. Unlike others, the Karonga DSS relies on trained village informants using formatted registers for the primary notification of vital events and migrations. Seven...