Sydney Morning Herald: DEATHS from heat stress among the elderly are likely to double in Sydney by the middle of the century because of climate change, and the number of people hospitalised because of air pollution is likely to treble, scientists from the CSIRO and the Bureau of Meteorology are predicting. Modelling by Dr Martin Cope and his team has confirmed reports that heat-related deaths in Sydney will increase significantly, rising from about 150 to 200 to between 300 and 400 by 2060. That is …