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The big dish solar concentrator at the Australian National University in Canberra, on 25 February 2011. The Australian government plans to set a fixed carbon price from 2012 on an interim basis until a full emissions trading scheme can be introduced in 3-5 years. Australia is the world's biggest exporter of coal and is one of the highest per-capita carbon emitters in the world due to a reliance on coal for 80 percent of it's electricity generation. The 500 m² solar dish is the largest paraboloidal dish solar concentrator in the world. It concentrates the sun's radiation over 2000 times and can drive high-temperature processes such as steam for power generation. EPA/ALAN PORRITT AUSTRALIA AND NEW ZEALAND OUT