Scientists are calling for action to prevent foreign species from taking hold in Antarctica and wrecking the continent's unique ecosystems. Despite Antarctica's inhospitable environment, non-native species introduced by tourists, scientists and explorers are gaining a foothold. Species can hitch a ride on ships and planes carrying visitors and supplies. A paper on the matter tabled at the Antarctic Treaty Consultative Meeting in Edinburgh met with "good agreement". It costs thousands and sometimes millions of dollars to try and get rid of something... prevention is better than a cure Neil Gilbert, Antarctica NZ "Antarctica has long been considered as an...