The Unite Nations (UN) Secretary General recently wrote: "To address the many challenges related to water, we must work in a spirit of urgent co-operation, open to new ideas and innovation and prepared to share the solutions that we all need for a sustainable future". He was saying this in an opinion peace on the Saturday Star of the 21 March 2014 dubbed "The World needs to be Water Wise". Statistics suggest 748 million around the world do not have access to clean drinking water, and everyday women around the world spend about 200 hours carrying water, that means on average women in these regions spend about 25% of their day collecting water for their families. In South Africa, 35% of clean drinking water is used for gardening. To help us look at the water situation in Africa, we have Dr Thomas Nkambule from the University of South Africa, Dr Matthys Dippenaar of the University of Pretoria's Geology Department, Melita Steele of Green Peace Africa and Dr Chris Maseki of South Africa's Department of Water and Sanitation:
