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In a joint effort with stakeholders, the initiative “Extremes” develops decision-making tools and coping strategies addressing future extremes.


Today is World Wildlife Day. Five questions for Josef Senn, who has a say when endangered species are imported into Switzerland.


February 11 is International Day of Women and Girls in Science! We asked WSL female researchers why they chose their profession.


Bark beetles destroyed more than 1.4 million m3 of spruce wood in 2020. Beetle infestation is expected to remain high in 2021. (in German)


A high level of biodiversity is important for forest management. The more diverse a forest is, the better it can cope with external influences.


The Swiss stone pine may be unable to adapt fast enough to climate change, a genetic study finds, and could become locally extinct.


The Sandoz Family Foundation Programme for Academic Promotion has awarded Charlotte Grossiord at EPFL and WSL a two-year renewable grant.


The new State of Europe's Forests 2020 report, featuring WSL data, highlights the many distinctive aspects of Swiss forests.



Snowshoeing is becoming more and more popular, but the same rule applies as with other winter sports: beware of avalanches.


Today, Europe's forests must perform many functions at once. Combining timber use with biodiversity promotion covers two key functions.


The GenTree project on the genetic resources of forest trees, in which WSL was involved, has received the "Etoiles de l'Europe" award.


In many cases, nets offer a viable alternative to concrete structures as protection against natural hazards, indicates a new publication.


The SLF issued its first avalanche bulletin on 21 December 1945. Major changes and continuous improvements have been made over the years.


A new study shows how grasshoppers from lower altitudes could change plant communities on alpine grasslands.



In the summer of 2018, many beeches changed leaf colour prematurely and reduced their growth, a study at 75 NFI sites reveals.


Who is behind the avalanche bulletin and what do avalanche forecasters do in summer? In the video interview, three of them give exciting insights.


DNA samples show that the European hare migrates upwards and drives out the mountain hare. DIAGONAL reports on the search for hare droppings.




How do genes and the environment shape together the survival and growth of forest trees? A WSL scientist received an ERC grant to answer this.



We celebrate the anniversary in December with a series of news items. Find out here, for example, how the avalanche bulletin is produced.


Why do some organisms colonise extreme habitats - and why is this exciting for research? DIAGONAL on site in search of answers.