australia reaustria and poled has also been affected. erica wood has more. >> this wind farm is south africa's showpiece for wind energy. the government says it wants 40% of its power to come from solar and wind energy in the next three years. in the meantime electricity come from stationed powered by coal. >> the environmental charity greenpeace say katrina's symptoms are common in this area. in the district where katrina lives is home to 11 coal powered stations and another is under construction. this region is built an coal mining and coal burning. and as soon as you arrive in the area there's a real noticeable difference in the air quality. in fact some researchers say this area has some of the dirtiest air in the world. greenpeace says allowing the state owned oil company an extra five years to meet carbon emissions, can mean the death to more people. >> the department of environmental fears has clearly gone against south africa's constitutional right to a healthy environment. by improving almost all of the postponements, they put t