Mount Everest (02:07)
Climbing 26,000 feet up Mount Everest takes an extreme toll on the mind and body. A team is trying to reach the top of the mountain to install the highest weather station in the world.
National Geographic Rolex Perpetual Planet Expedition (04:11)
A team of 30 scientists gathers at Everest's south base camp, 5,000 meters above sea-level. Climatologists, geologists, glacial experts, and biologists are part of the largest scientific expedition ever on Everest.
Climbing Everest (03:06)
None of the team’s scientists has ever summited Everest. Climbing expert Pete Athans gets them ready for the climb, including the Khumbu Glacier icefall. The group will be collecting samples of ice and snow to study the effects of population and climate change.
Khumbu Glacier Map (03:31)
Geographer Alex Tait leads the team mapping the glacier. With a detailed picture of the ice form, they can see how it changes in the future. Experts will use LiDAR and drones to photograph all areas of the glacier.
Everest Weather Stations (03:06)
Tom Matthews and Baker Perry lead the team installing five weather stations along the main climbing route. The stations will measure temperature, humidity, air pressure, and wind speed. The data will create weather forecasts that are more accurate and could provide warnings for flash flooding.
Climb to Camp 1 (03:57)
The team starts their climb which includes the dangerous Khumbu icefall. It is one of the deadliest seasons on Everest because of overcrowding and inexperienced climbers. The weather stations team reach camp without incident.
Biodiversity of Everest (03:12)
Biology leads Tracie and Anton Seimon survey species equipped to survive at south base camp; they search for the highest lifeforms they can find. Changing weather forces the weather station team to leave Camp 1 a day early.
Weather on Everest (03:31)
Athans was on Everest in 1986 when eight people died between Camp 4 and Camp 5 because of a sudden blizzard. The scientists hope the weather stations can prevent future tragedies. The weather stations team climbs to Camp 4.
Everest Ice Core (03:11)
From Camp 4, glacier chemist Mariusz Potocki spots a glacier closer to the summit that would be a good place to take an ice core. Ice cores provide evidence of everything that has happened in the atmosphere. It is the highest altitude ice core ever taken.
Everest Sediment Core (02:58)
Geologists Mary Hubbard and Ananta Gajurel lead a team taking a sediment core from a lakebed on Everest. The samples will show how organisms react to the climate overtime.
Climb to the Summit (03:30)
The team prepares to summit Mount Everest to install the final weather station. They start the climb at 11 p.m. but the route is crowded, and they move slowly.
Final Weather Station (03:59)
Worried they will not make it safely to the summit, the team changes plans. They begin installing the weather station on the balcony, a lower altitude than intended.
Everest Scientific Research (03:41)
The first layers of Potocki's ice core and Hubbard's sediment core are 2,000 years old, showing human activity has affected every surface on the planet. The weather stations transmit data 24 hours a day, seven days a week.
Credits: Expedition Everest (00:02)
Credits: Expedition Everest
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