Detailed text transcripts for TV channel - CNN - 20170717:06:55:00
Creating a spectacular iceberg weighing more than a trillion metric tons. roughly the size of delaware. >> it is one of the largest icebergs in human history. >> reporter: ucla professor spent her career studying antarctic ice. traveling to the very peninsula where the ice shelf called larson's sea broke off. she has seen two other big section break off and dissolve. the first in 1995 and then another in 2002. she watched as this crack grew for years. caught off guard that break happened so soon. >> what this latest break means is something scientists aren't yet agreed on. antarctica, coldest ...