Swiss Federal Institute for Forest, Snow and Landscape Research WSL

Avalanche bulletin and snow situation
Edition: Wed 21.5., 17:00
Avalanche Bulletin
Research 19.05.2025
Long-term research: 40 years of monitoring forest health
Long-term research: 40 years of monitoring forest health

40 years ago, the international cooperation programme ICP Forests was founded. It was a direct response to air pollution.

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Waldbeobachtungsfläche (Level-II) in Othmarsingen/Schweiz. Foto: WSL/Gottardo Pestalozzi
 
Research 14.04.2025
Historical Habitats of Switzerland - mapped
Historical Habitats of Switzerland - mapped

WSL researchers have developed a model that can identify different habitat types on aerial photographs from the post-war period.

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Events 03.04.2025
Investigating the unthinkable
Investigating the unthinkable

How can we prepare for something unprecedented? WSL has investigated the effects of extreme events and how to deal with them.

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Der Lac Brenet (VD) im Trockensommer 2018. (Foto: Neez, CC BY-SA 4.0 via Wikimedia Commons)
 
Research 21.03.2025
Swiss glaciers could vanish completely by 2100
Swiss glaciers could vanish completely by 2100

Swiss glaciers are in increasingly poor shape. Interview with the glacier researcher Daniel Farinotti on the first World Glacier Day.

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Research for people and the environment in a changing world

News

Research
20.05.2025

Rockfalls, rockslides and more: FAQ and dossier

Our experts answer the most frequently asked questions about mountain hazards.

Research
12.05.2025

How flooding under the ice contributes to ice melt

By drilling 500 meter deep, researchers from ETH and WSL have for the first time measured the water flows under the antarctic ice.

Logbook
30.04.2025

Searching the Past in Tree Rings

In this WSL logbook, Lisa Jourdain, PhD student in tree ring science, takes us on a journey in Tasmania and New Zealand for sampling trees.

Research
28.04.2025

Urban green spaces are islands of relaxation

Green spaces relieve stress in loud cities – how much is now shown in a new study by WSL and Empa.

Logbook
23.04.2025

When a River Melts Faster Than Expected

In the WSL Logbook, doctoral student Jiahui Kang reports on her research in Sweden – and how things sometimes happen faster than expected.

Research
15.04.2025

Nature in the city needs interconnected habitats

To enhance biodiversity in water and on land, we need high-quality, interconnected natural areas and cooperation of different stakeholders.

All news

Events

22 May 2025

Sicher bestimmen im Feld – mit KI zur Zweitmeinung

Festival der Natur 2025: Gemeinsam Biodiversität entdecken! Einblick in die Entwicklung von FlorID, und anschliessende Feldbegehung mit…

2 to 4 June 2025

Increasing biodiversity to promote adaptation and resilience of European forests by using close to nature forestry

Workshop Integrate Network in Zürich

5 June 2025

Applied conservation genetics for practitioners

With this course, participants will be able to expand or update their knowledge of the basics of applied conservation genetics. The aim is…

All Events