[hukep]

It is a difficult task. SA needs plenty of water for the nearest decades. What are the options to get it? How much will it cost? Many difficult questions to answer. Many approaches to choose. If the ideal is to built a great dam, then everything else burden the environment more. Creating of the desalvation factory take a lot of earth resources as well as the energy which also comes mostly out of non-renewable sources. If you produce electric energy you have a great impact on the environment too.