Mauritius at present enjoys plentiful piped potable water from its 2 000mm average annual rainfall, but large amounts of water are wasted.
The Democratic Alliance says there is mounting public concern over the quality of tap water in South Africa.
According to the United Nations Children’s Fund, almost 40% of Angolans use water from an unsafe source.
A washing machine using as little as a cup of water for each washing cycle could go on sale to environmentally conscious Britons next year.
"Our school was in a bad condition before, with pipes leaking, toilets dirty and in a poor condition."