Reuters: Australia’s top climate adviser on Friday recommended cautious targets for the country’s carbon emissions trading scheme, with carbon to be priced at A$20 ($16) a tonne from 2010 and overall emissions to be cut between 10 and 25 percent by 2020. In an updated report on targets for a trading scheme, academic Ross Garnaut said the new emissions targets would cut Australia’s gross domestic product by between 1.1 and 1.6 percent by 2020. Australia is the world’s 16th biggest carbon …