From the article: http://news.yahoo.com/s/afp/20091211/wl_afp/australiaantarcticaiceberg
We now have to be aware of floating icebergs. Due to the rising temperature of the Oceans, Antartica has been experiencing a decline of Ice leading to chipping of Icebergs from the continents shore. These massive Icebergs float around the Ocean and now have become a threat to places like Australia.
So next time you're planning that cruise vacation, be on the look out for the floating bergs, even if it's the dead of summer.