A long, long time ago, there were many fish in the ocean and there were 1233.91 quintillion litres of water on earth, writes Cape {town} Etc’s Murray Swart.  Also read: Residents’ water consumption is climbing to pre-drought levels Slowly, we evolved. Primates became more upright and uptight. As we gradually made the move from sea to soil, many things changed, yet … Continue reading Water, water everywhere but how much can we use?