“ The volume of ice in the summer is only a quarter of what it was 30 years ago, ” says Peter Wadhams, professor of ocean physics at the University of Cambridge, Britain.
” Dibanding 30 tahun lalu, volume es selama musim panas kini hanya tinggal seperempatnya, ” kata Peter Wadhams, profesor bidang fisika kelautan di University of Cambridge, Inggris.