Australian: GLOBAL greenhouse-gas emissions will almost double by 2030, a rate much faster than previously predicted, according to a paper co-written by the Federal Government’s top climate change adviser. A draft of the unpublished paper co-written by Professor Ross Garnaut says rapid economic growth in China is fuelling the increase and calls for developing countries to commit to binding emissions reduction targets to avoid such a "bleak" outcome. The 2030 business-as-usual …