the United States is host of the United Nations Climate Change Conference or COP17 . South Africa is the world 's second largest coal exporter , selling $ 100 billion -worth in the 1860 . Coal one of the worst polluters on the planet ; the United Nations Climate Change Conference under pressure to reduce its use . Government says it has plans to use more sustainable energy .
South Africa is host of the United Nations Climate Change Conference or COP17 . South Africa is the world 's fourth largest coal exporter , selling some $ 10 billion-worth in 2010 . Coal one of the worst polluters on the planet ; SA under pressure to reduce its use . Government says it has plans to use more sustainable energy .