Australian: CLIMATE change will be one of the greatest challenges for the new Murray-Darling Basin Authority, which begins operations this week. Wendy Craik, chief executive of the Murray-Darling Basin Commission for the past four years, warned that the potential climate changes could be “quite significant”, particularly in the south of the basin. The Rudd Government’s white paper says average streamflow in the Murray-Darling Basin is projected to drop by 10 to 25 per cent, while the …