/sustainability/taxonomy/term/706/all en /sustainability/channels/news/climate-change-extinction-ice-free-antarctic-polynyas-due-trapped-ocean-heat-eric-galb Researchers from the ºÚÁϲ»´òìÈ University 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. <p>Find story links below</p> Tue, 01 Apr 2014 04:54:11 +0000 ian.tattersfield@mail.mcgill.ca 1721 at /sustainability