Pretoria News: Climate is set to change for the worse because of rising global emissions of greenhouse gases, according to a report on climate change released on Thursday. The report was released in Johannesburg by Oxfam International and Earthlife Africa. According to the report, South Africa is already living on the edge because of changing climate. “Much of South Africa is arid or semi-arid and the whole country is subject to drought and floods. “Even small variations in …