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The Slippery Slope Of Global Warming, From A Melting Mont-Blanc Glacier

Looking over at the Mer de Glace
Looking over at the Mer de Glace
Alessandro Mano

COURMAYEUR — When the alarm sounded last year, it was because the ice on the Mont Blanc, on the border between Italy and France, was moving too quickly.

Its front had broken away from the rest of the ice lobe, separated by a huge crack, and descended three meters per day. Experts feared that 250 thousand cubic meters of ice might fall on the valley, an enormous quantity that could shatter on the rocks below, causing an avalanche and arriving on homes in the Ferret Valley, near Courmayeur.

The good news is that this year, the glacier is not travelling as fast, and last year's 250,000 cubic meters of ice are a distant memory: the heat has melted most of them. Some 176,000 collapsed in smaller blocks of ice that crumbled on the underlying rocks and flowed into the river, the Dora di Ferret.

But there's also bad news: A 40-meter crevasse has formed a new serac, a block of ice at risk of toppling, that is double the size of last year's: half a million cubic meters — larger than the Milan Duomo.

The warming climate added to the problem. After weeks of sizzling heat, with the air reaching zero degrees only at 5,000 meters above sea level, temperatures nosedived on Tuesday, Aug. 4, and it snowed abundantly on the glacier.

A soccer pitch with a 30-story building erected on top of it ...

"The Planpincieux is a temperate glacier because it sits at altitudes where temperatures contribute to melting it," says Valerio Segor, a director of mountain hydrogeology within the regional authority Valle D'Aosta, which comprises Courmayeur and the Planpincieux glacier. "And the water that flows between the glacier and the rock beneath it acts as a lubricant, facilitating the glacier's downward slide."

This lubricant froze, slowing the movement down to a meter a day. But that's not, in fact, a good thing. And that's because the glacier's halt and new scorching temperatures could lead to a sudden collapse.

"Picture a soccer pitch with a 30-story building erected on top of it: That's the amount of ice that could fall down," says Segor.

Climbers near a glacier crevasse on Punta Helbronner, on the southern side of the Mont Blanc massif — Photo: Grzegorz Galazka/Mondadori Portfolio/ZUMA

Watching and waiting

Experts at the Swiss Federal Institute for the study of Snow and Avalanches in Davos are worried, and quickly contacted their colleagues at the Safe Mountain Foundation in Courmayeur and the National Research Council in Turin.

Fabrizio Troilo, head geologist and a glaciologist at the Safe Mountain Foundation, says the water is the main danger because it could act as a sort of spring.

"The most catastrophic glacial collapses in history have probably been caused by the instability of the water flowing beneath the glacier. It happens when temperatures drop abruptly and quickly rise again," he says.

Outside, children played in summer camps, unaware of the emergency.

In case of collapse, experts have identified two areas at risk. One could face a huge avalanche; the other the ensuing aerosol. The first danger area in the Ferret Valley includes the residents of Montitaz and part of the town of Planpincieux, whose houses could be buried or swept away by the snow. The second area includes most of Planpincieux and Meyen.

Authorities have evacuated some 75 tourists and residents. A sports center in nearby Dolonne has been set up as a reception center for the displaced. "We haven't seen anyone yet," local Red Cross volunteers said Thursday afternoon. Outside, children played in summer camps, unaware of the emergency.

Residents don't seem particularly phased. Many of the evacuated also have a house in Courmayeur or have relatives to stay with. Tourists have gone home or are staying in hotels in Planpincieux outside the danger zone.

"The evacuation concerns only a part of Planpincieux and the Ferret Valley," said Courmayeur Mayor Stefano Miserocchi, who has the difficult task of mediating between protecting civilians and the local economy at the peak of the tourist season.

"The rest of the town goes on normally, and it's full of tourists," he said.

The Ferret Valley committee, which was convened after last year's emergency, has asked to refrain from using "excessive caution" and highlights that closing the valley "will bring immediate and long-term economic and reputational damage.

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How WeChat Is Helping Bhutan's Disappearing Languages Find A New Voice

Phd candidate Tashi Dema, from the University of New England, discusses how social media apps, particularly WeChat, are helping to preserve local Bhutanese languages without a written alphabet. Dema argues that preservation of these languages has far-reaching benefits for the small Himalayan country's rich culture and tradition.

A monk in red performing while a sillouhet of a monk is being illuminated by their phone.

Monk performing while a sillouheted monk is on their phone

Source: Caterina Sanders/Unsplash
Tashi Dema

THIMPHU — Dechen, 40, grew up in Thimphu, the capital city of Bhutan. Her native language was Mangdip, also known as Nyenkha, as her parents are originally from central Bhutan. She went to schools in the city, where the curriculum was predominantly taught in Dzongkha, the national language, and English.

In Dechen’s house, everyone spoke Dzongkha. She only spoke her mother tongue when she had guests from her village, who could not understand Dzongkha and during her occasional visits to her village nestled in the mountains. Her mother tongue knowledge was limited.

✉️ You can receive our Bon Vivant selection of fresh reads on international culture, food & travel directly in your inbox. Subscribe here.

However, things have now changed.

With 90% of Bhutanese people using social media and social media penetrating all remotes areas in Bhutan, Dechen’s relatives in remote villages are connected on WeChat.

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