Sydney Morning Herald: THE Earth’s temperature is continuing to rise, the Greenland and the Antarctic ice sheets are losing mass at an increasing rate and the global warming could reach as high as 7 degrees by the turn of the century if greenhouse gases grow unabated, a r review of climate science over the past three years has found. A temperature rise on this scale would wipe out much of the agriculture in the Murray-Darling Basin, cause thousands of heat-related deaths and bring sea level rises that would …