"Antarctica is Melting Faster than scientists expected" PBS NewsHour 7/2/2017

Excerpt

SUMMARY:  Scientists predict a sheet of ice 110 miles long -- the size of Delaware -- will break off Antarctica in the coming days or weeks.  In its July issue, National Geographic covers the effects that warming oceans will have on global sea level rise.  Robert Kunzig, the magazine's senior environment editor, joins Hari Sreenivasan from Birmingham, Ala.