GlacierHub News Report 04-19-18

GlacierHub News Report 04-19-18

 

The GlacierHub News Report is a bi-monthly video news report that features some of our website’s top stories. This week, GlacierHub news is featuring recent stories on sea level rise, an ancient tunic, an avalanche that took place in Russia, and even the 100th year anniversary of a world famous mint.

This week’s news report features:

Future Sea-Level Rise and the Paris Agreement

By: Andrew Angle

Summary: The goal of Paris Agreement is to hold global temperature rise to well below two degrees Celsius. However, any rise in temperatures means sea-level rise will occur to some extent. A recent study in Nature Communications examined the implications of the Paris Agreement for future sea-level rise, finding that if the current country contributions are met in full, sea-levels would rise between 1.05 and 1.23 meters.

Read more here.

Reconstructing Norway’s Oldest Garment: the Tunic of Lendbreen

By: Natalie Belew

Summary: In 2011, archaeologists came across a crumpled piece of cloth in the ice of Lendbreen Glacier. When examined, it turned out to be an incredibly well-preserved 1,700-year-old tunic that became the oldest piece of clothing found in Norway. Now it has been reconstructed, and a recent study documented the process. Starting this summer, the original Lendbreen tunic will be on display alongside one its reconstructions at the Norwegian Mountain Center, while the other will be part of the permanent collection of the Museum of Cultural History in Oslo.

Read more here.

Avalanche Strikes Near Russian Glacier

By: Jade Payne

Summary: An avalanche struck at a ski resort on the slopes of Mount Elbrus in the Russian Caucasus on March 24. The trigger, in this case, was the accumulation of meltwater, which made the snow heavier and more prone to falling. The snow was also tinted a rust-like color. Stanislav Kutuzov, head of the Department of Glaciology at the Russian Academy of Sciences in Moscow, told GlacierHub that the “atmospheric front of March 22 to 24 brought large amounts of precipitation together with dust from the Libyan desert.” The dust, from North Africa, reached the Caucasus Mountains on March 23, one day before the avalanche. The avalanche did not cause any deaths or injuries, but it did cover at least a dozen cars that stood in its path.

Read more here.

Fox’s Glacier Mints Celebrates its 100th Anniversary

By: Sabrina Ho Yen Yin

Summary: This month, Fox’s Glacier Mints, a famous candy brand from the United Kingdom, is celebrating its 100th anniversary. Making use of the similarities between glaciers and mints as refreshing and cool, we look back at the company’s clever use of the imagery of glaciers in marketing their transparent mints. The mascot for the candy is Peppy, a polar bear that is well-recognized by the brand’s lovers. Peppy has appeared in various television commercials with a fox interacting in glacier settings, British humor-style.

Read more here.


Video Credits:

Presenters: Brian Poe Llamanzares, Angela Soriano

Video Editor: Brian Poe Llamanzares

Writer: Brian Poe Llamanzares

News Intro: YouTube

Music: iMovie

Major Report Stresses the Importance of Glaciers in a Global Context

In September, a new report, “Well Under 2 Degrees Celsius,” was released by the Committee to Prevent Extreme Climate Change, a global think-tank group made up of scientists, policy makers and military experts. The premise of the report is to provide governments with practical solutions to implement the ambitions of the Paris Agreement and the Sustainable Development Goals adopted by the United Nations. It emphasizes the importance of glaciers in a global context by highlighting examples of melting glaciers in the Himalayas and Tibet.  

Researchers from a NASA-funded mission examining melt ponds in the Arctic Ocean (Source: NASA Goddard Space Flight Center/ Creative Commons).
To challenge the impacts of climate change, the group proposes a roadmap that highlights science-based policy pathways to give society an opportunity to limit global temperatures to safe levels and prevent a two-degree Celsius temperature increase. Solutions include decarbonizing the global energy system by 2050 and reducing short-lived climate pollutants. Unfortunately, climatic trends show that the global temperature has already warmed by 1 degree Celsius, the authors note. If emission levels stay at the current rate, we can expect to see a 1.5-degree Celsius increase in the next fifteen years, with a 50 percent probability of reaching 4 degrees Celsius by end of century. 

The report uses the Arctic and Himalayas as prime examples of the severe impacts of temperature increases, as these regions continue to warm at nearly twice the global average. In the Himalayas and Tibet, for example, more than 80 percent of the glaciers are retreating, according to data collected by the authors. The South Asian monsoon, which provides the primary source of water for the glaciers, has decreased by around seven percent over the last fifty years.

When asked about the effect of a two-degree Celsius rise on glacial retreat, Eric Rignot, a co-author of the report and a professor of Earth system science at the University of California, Irvine, said, “A two degree Celsius above pre-industrial and even a 1.5 degree Celsius will not be sufficient to stop ice sheet melt. In fact, I think that a 1.5 degree Celsius will still commit us to multiple meter sea-level rise over the time scale of a couple of centuries. My hope is that once we are there, the world will realize that we can do better, sequester carbon and go back to a climate regime from the 1970s to 1980s, which in my opinion was okay for ice sheets.”

The signing ceremony of the Paris Agreement (Source: Martin Schulz/Flickr).
The authors note another concern for glaciers and snowpack in the Arctic and Himalayas: the deposition of black carbon from human activities like diesel combustion and biomass cooking. Black carbon decreases the snow’s albedo, causing surface warming and melting. If greenhouse gas emissions and black carbon deposition increase, these glaciers and mountain ranges will not be able to provide water for many people in the region who rely on connected river systems.

Due to emission trends not decreasing at a fast-enough rate, there is now only a 50 percent probability of achieving the two-degree Celsius goal, and there is a 10–20 percent probability of the warming exceeding three degree Celsius by 2100. To remain below the two-degree Celsius mark, global leaders would have to start on the carbon neutrality pathway by 2020, moving toward 100 percent clean energy as soon as possible. However, the political leaders, corporations, and the public tend to assume that there is more time to take action, the researchers contend, with many people unaware of the severity of the climate crisis.

Shichang Kang, one of the co-authors of the report and a professor at the Chinese Academy of Sciences, told GlacierHub, “As a scientist, I hope the international community will work together and take action as soon as possible. However, countries have diverse backgrounds and social and political issues. It seems that we can’t use one measurement for different countries.”

It will be a challenge to remain below 1.5 degree Celsius,” Rignot added. “The problem is to transition to a carbon free economy fast enough. You cannot turn around an economy based on burning fossil fuel overnight to an economy using clean energy. This would be a catastrophe. You have to give it some time.” The report advises leaders to begin decarbonizing the global economy with low- or no-carbon technologies and renewables.

The authors equip world leaders to begin taking action by providing four building blocks to achieve these goals. The first building block includes fully implementing nationally-determined mitigation pledges under the Paris Agreement. The second scales up numerous sub-national and city climate action plans. The third includes reducing emissions of short-lived climate pollutants (SLCPs) by 2030 and decarbonizing the global energy system by 2050. The final building block aims to make scalable and reversible carbon dioxide removal measures, which can begin removing CO2 already emitted into the atmosphere.

Despite the fact that each country deals with climate change in a different way, climate change remains a serious problem that impacts the global community at large. The question now remains – will we reach our goal of staying below the 2°C mark?