Around the turn of the century, many news reports focused on how the melting of glaciers in both arctic and antarctic regions is causing the habitats of cold-zone species such as penguins, sea lions and seals to shrink rapidly.
由於南北兩極冰山逐日融解，企鵝、海獅、海豹等寒帶生物棲息環境的急速縮減，也早成為世紀之交的一則則新聞焦點。