Événements extrêmes

Le dégel du pergélisol est un problème majeur pour les refuges de montagne, les structures de protection contre les avalanches et les téléphériques, souvent bâtis sur la couche de roche gelée. Une étudeLien externe du Club alpin suisse (CAS) publiée l’an dernier montre que plus du tiers de ses 152 refuges de montagne sont menacés

Protecting against floods is an expensive undertaking, but a recent analysis shows it is far more cost-effective than rebuilding after natural disasters. In Switzerland, where a large share of the population faces flood risks, the state invests heavily in prevention. Last autumn, cars piled in mud and rubble filled the streets of Valencia, Spain. These

Les températures du permafrost augmentent constamment dans les régions montagneuses d’Europe, parfois de plus de 1 °C au cours des dix dernières années. Les résultats d’une nouvelle étude montrent des changements plus importants et plus rapides qu’auparavant. Ce texte a été traduit automatiquement. Vue d’ensemble des sites analysés dans les montagnes européennes avec permafrost. Graphique

Visualizing the potential impacts of a hurricane on people’s homes before it hits can help residents prepare and decide whether to evacuate. MIT scientists have developed a method that generates satellite imagery from the future to depict how a region would look after a potential flooding event. The method combines a generative artificial intelligence model

This report explores the significance of drought hazards for civil protection organizations in Switzerland, both at the local and national levels. Drought poses an increasing threat to Switzerland. What does this mean for civil protection organizations? What strategies can they adopt to prepare for and respond to it? The study ‘Civil Protection Roadmap for Drought

The world’s eyes are again on Brienz, where movements in the upper part of the scree slope above the small village in canton Graubünden, near Davos, have accelerated sharply in recent weeks. Recent measurements have showed that the top of the rubble pile has been moving much faster than before – sometimes up to 40cm