Guardian: A new report by Australia’s top scientists predicts that the country will be hit by a 10-fold increase in heatwaves and that droughts will almost double in frequency and become more widespread because of climate change. The scientific projections envisage rainfall continuing to decline in a country that is already one of the hottest and driest in the world. It says that about 50% of the decrease in rainfall in south-western Australia since the 1950s has probably been due to …