Melting glaciers lead to a hotter world. Episodes of glaciers and ice falling into the sea make our weather one year very different from the next. New Zealand ice-expert Nicholas Golledge joins us. But first, from California Dr. Robert Allen reveals pollution has hidden up to half a degree C. of warming. I think the two degree supposed “safe” line is already in the rear-view mirror. Prepare to live in a very different world. Radio Ecoshock 190220