Swiss Federal Institute for Forest, Snow and Landscape Research WSL

News and media relations

We will be glad to assist the media in their research and to arrange interviews with our in-house experts. Both media representatives and freelancers are very welcome to visit our research sites and study plots all over the country.

New

Two hikers are standing on rocks covered in a light dusting of snow, looking out over a mountain landscape with snow-capped peaks. Yellow larch trees stand beside them. The sky is clear and blue.
04.06.2026

Nothing stays the same: understanding change

To be prepared for the future, we need to understand the past. The new DIAGONAL explains how WSL and SLF are helping to achieve this.

The deep riverbed of the Illgraben gives a sense of the enormous masses of scree that thunder down into the valley here.
04.06.2026

Measuring metre-high surge waves

For the first time, WSL researchers tracked debris flows over two kilometres, revealing how these dangerous mudflows unfold.

Blick von unten auf hohe, trockene Ahorn-Bäume, die gegen den blauen Himmel ragen. Einige Bäume sind kahl und haben wulstige Nekrosen, während andere noch grüne Blätter haben.
03.06.2026

Forest protection overview 2025

How healthy are our forests? The WSL Swiss Forest Protection Centre highlights current issues.

A close-up of a butterfly perched on a yellow flower's center, showcasing its delicate wings with orange and brown patterns. The background features a soft, blurred green that highlights the butterfly and flower. In the Swiss Plateau, the butterfly Lycaena virgaureae, whose caterpillar feeds exclusively on sorrel, has disappeared. In other regions, the population is stable. (Photo: Felix Neff)
02.06.2026

Historical data on insect diversity in Switzerland

National data archive reveals for the first time how the diversity of butterflies and beetles in Switzerland has changed over 90 years.

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