The 2019 National Geographic and Rolex Perpetual Planet Everest Expedition that six Climate Change Institute explorers participated in has set three Guinness World Records. The three records, featured in the latest edition of the Guinness World Records book, are: Highest altitude ice core taken: 8,020 meters (26,312 feet), extracted from the South Col glacier. The read more Everest expedition with 6 CCI scientists sets 3 world records