Author:Ashton, PJDate:2007Recent years have been marked by a growing awareness that the world’s freshwater supplies represent a scarce and critically important resource that is also extremely vulnerable to human activities (Biswas 1993; Delli Priscoli 1998). Indeed, ...Read more
Author:Van Wyk, Llewellyn VDate:Aug 2010Water scarcity is without a doubt on of the greatest threats to the human species and has all the potential to destabilise world peace. Falling water tables are a new phenomenon. Up until the development of steam and electric motors, deep ...Read more