Business Green: It may already be on the front line of climate change, but the frozen continent of Antarctica is increasingly on the front line of efforts to curb carbon emissions as well. The world’s most southerly wind farm was formally opened over the weekend with the installation of three wind turbines, which together are expected to supply about 11 per cent of the power to New Zealand’s Scott Base and the American McMurdo Station, cutting diesel use at the Antarctic stations by about 463,000 …