Australia said Wednesday it was searching for a new aircraft landing site for planes supplying its three bases in Antarctica because the current runway is melting due to global warming.
Australia has three stations on the icy continent -- Casey, Davis and Mawson -- occupied by scientists and support staff, with the Wilkins runway, carved into glacial blue ice, a vital transport link.
But a melting surface is restricting use of the $46.4 million landing strip near Casey and the Australian Antarctic Division said they were looking at alternatives.
They include the ice-free Vestfold Hills near Davis.
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