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Blue-green areas are important for improving the urban climate - but also for connecting animal and plant habitats (Photo: Giulia Donat, Eawag).
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Green roofs and ponds as networks
April 15, 2025

To enhance biodiversity in water and on land, we need high-quality, interconnected natural areas. Here the cooperation of different stakeholders is essential.
According to the study, environmental pollution, such as from the spraying of pesticides, and habitat changes have a particularly negative impact on the number of species and the composition of species communities (Photo: Adobe Stock).
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The devastating impact of humans on biodiversity
March 26, 2025

Not only are the numbers of species declining, but the composition of species communities is also changing. This is shown by a new study published in the journal “Nature”.
The discharge fluctuations due to hydropeaking are clearly visible along the banks of the River Saane in the Canton of Fribourg. The light line in the water shows the water level during a low-flow phase, while the peak flow maximum is also clearly visible from the wetted part of the gravel bank (Photo: Christine Weber).
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Promoting the compatibility of hydropower and ...
March 11, 2025

Storage hydropower plants contribute to the energy transition, but also affect river ecosystems. Sustainable management should not only account for individual hydropeaking events, but also their cumulative effects.
Newly elected Professor of Hydrology and River Systems at ETH and Eawag: Paola Passalacqua (Photo: Andre Leroux).
News
Eawag strengthens hydrology expertise
March 6, 2025

For a long time, Eawag's research focus was primarily on water quality. Questions relating to hydrology, bed load or flooding tend to be investigated at WSL or ETH. Eawag is now strengthening its expertise in this area. Today, the ETH Board appointed hydrologist Paola Passalacqua as joint professor at the Department of Civil, Environmental and Geomatic Engineering and at Eawag.
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