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Biological assessment of water quality: simple methods and guidelines
01.07.2001
Modern methods of water-quality testing such as physico-chemical, biological and microbiological are not always accessible to those in the developing world. This article offers an alternative method for those working and living in areas of unsafe water, both tropical and subtropical. -
Water and sanitation in the Middle East
01.10.2003
A hot arid climate, high population growth rates and inadequate wastewater treatment all contribute to water shortage in the Middle East. This, taken together with the fact that the major rivers in the region flow across several international boundaries, points to one thing: the need for international co-operation between all countries in the region.