Age: WE ALL know about the threat to the Great Barrier Reef from extreme climate change, but the Australian Conservation Foundation wants to ram home to Victorians that the effects of a hotter world will hit much closer to home. Melbourne now sweats through about nine days of hotter-than-35-degrees each year, but by 2030 this is expected to triple to 27. In Darwin, the picture is even worse, with a massive 312 stifling days predicted every year. At these temperatures, not …