Times (UK): Inching over the treacherous surface of the Rathong glacier, almost 5,000 metres (16,400ft) high in the eastern Himalayas, Dr Shresth Tayal stooped to inspect a 7m steel rod he buried vertically in the ice six months ago. After a decade studying Himalayan glaciers, he had expected to find at least half the rod exposed — an alarming enough indication of how fast the Rathong is melting — but even he was surprised by what he found last week. "Six metres in six months,’ he cried, …