Climatology

A world in flux

Heavier rain, longer droughts, melting glaciers: climate change has a dramatic impact on the global water cycle.

Why are forests turning brown in summer?

Increasing summer heat and drought are affecting European forests – some years, trees brown prematurely and some even start to die back. Researchers from ETH Zurich and the WSL are showing how exceptional weather conditions over several years are turning forests brown.

Following the water cycle in the forest

In the Forest Laboratory "Waldlabor" on Hönggerberg, ETH Zurich researchers investigate the storage and transport processes of water in the forest. Recently they showed that forest-floor litter and deadwood have a far larger influence on the forest water balance than expected.

Volunteers collect Saharan dust

When professional scientists and interested amateurs work together, it is a rewarding experience for both groups. Such cooperation can deliver important new insights, as shown by the results of a campaign to research winter Saharan dust events.

Restoring nature equitably

Efforts to restore degraded ecosystems have so far fallen short of meeting global targets. Sound restoration must better incorporate social processes promoting equity in order to effectively benefit people, climate and biodiversity, says Sara Löfqvist.

Researching, learning and adapting

One of the greatest unknowns in climate change is the question of how particulate matter affects clouds. Yu Wang is using machine learning and satellite data to investigate the surprising role of these tiny particles in the atmosphere.

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