/macdonald/taxonomy/term/45/all en /macdonald/channels/news/climate-change-extinction-ice-free-antarctic-polynyas-due-trapped-ocean-heat-eric-galbraith-234182 <h3>Researchers from the 平特五不中 and University of Pennsylvania have found evidence to show climate change is the main reason for the disappearance of ice-free regions, known as polynyas.</h3> <blockquote> <p>Find story links below</p></blockquote> Tue, 01 Apr 2014 05:21:26 +0000 admin 49162 at /macdonald