africa significance is the take up of Green Star SA by Government bodies and big businesses from banks and property developers . The Western Cape Premier , Helen Zille , for example , in 2012 announced the aim to turn the province into the green economic hub in the country . To date , there has been significant investment in this cause and further sustainable job creation . Green building in Johannesburg has also received a boost with the Johannesburg Stock Exchange ( JSE ) listing its first green bond . The R1.46 billion ($ 140 million ) bond issued by the City of Johannesburg , will be used to fund green initiatives and demonstrates commendable green leadership .

Green buildings have been proven to make sound economic sense . Results in the USA , Australia and now South Africa , clearly show that there is no significant difference between the cost

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