Detailed text transcripts for TV channel - CNN - 20180726:18:46:00
Part of alaska is nirvana for bears and wolves, whales, and eagles. a wonder land all made possible by salmon. tens of millions surge into southern alaska each summer to spawn feeding every form of life including a multibillion dollar fishing and tourism industry depending on the health of the landscape. >> wolf tracks, fox tracks. >> reporter: which is why drew worries more about the human beings coming towards us on the beach. >> what are you up to? >> we work for a surveying company up in anchorage. >> reporter: they are hesitant to admit they're doing work for the pebble mine, one of the m...