Detailed text transcripts for TV channel - CNN - 20170802:04:21:00
Do you see the line on the ridge here? >> yes. >> that green line is where the ice surface was back in the '80s. not so long ago. >> not long ago at all. it's amazing to think that just 30 years ago, where we are right now was all covered by the big ice sheet. >> i think a lot of us are a bit shell-shocked by some of the changes. it's hard to believe. >> what was it like for you to see that? >> it was emotional. really. i've been to greenland several times but going back last year, it was really obvious that the ice melt is increasing dramatically. they had a huge temperature spike in april of...
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