Detailed text transcripts for TV channel - CNN - 20171201:02:57:00
Expense. >> it doesn't get much more remote than this. and with the high altitude, the science that is being done here at summit station requires enormous resources and sheer physical effort. but this place is uniquely positioned to answer a crucial question. has the arctic reached a tipping point? engineer zoe korville explains that its isolation is, in fact, its greatest asset. >> it's a very pristine site. and it's free from local influences of pollution. >> reporter: do you think summit is important to the study of climate change, specifically? >> we've been making measurements since 1980 ...