New Zealand Herald: Climate change will see most of the Tasman Glacier in the Southern Alps melt away over the next 20 years, scientists say. "In the past 10 years the glacier has receded a hell of a lot," said glaciologist Dr Martin Brook. "It’s just too warm for a glacier to be sustained at such a low altitude – 730 metres above sea level – so it melts rapidly and it is going to disappear altogether". The Tasman Glacier is the largest in the Southern Alps and at 29km …