On Point Published by On Point Antarctic Ice Shelves And Global Dynamics Listen 49 min Queue Download this audio Want to embed this player? Use the code below. More info. <iframe frameborder="0" scrolling="no" height="130" width="100%" src="https://www.wnyc.org/widgets/ondemand_player/wnyc/#file=/audio/json/729477/&share=1"></iframe> Share on Facebook Share on Twitter Email a Friend the crack in the Antarctic ice shelf grows by 11 miles. We'll look at what's coming, and talk with physicist Helen Czerski about the dynamics of the world around us.