Pesticide levels in karst groundwater can spike after heavy rainfall

Pesticides that enter groundwater and eventually drinking water can pose risks to both human health and the environment. Groundwater in karst regions is particularly vulnerable to contamination becaus...

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Urs von Gunten, Wasserchemiker, emeritierter Professor

Urs von Gunten gehört weltweit zu den bekanntesten Wissenschaftlern, wenn es um die Aufbereitung von Trinkwasser geht. Er hat praktisch sein ganzes Berufsleben zum Thema Trink- und Mineralwasser gefor...

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Manganese risk in groundwater affects 200 million people

Eawag researchers have produced a global risk map for manganese in groundwater, which can cause health problems in excessive concentrations.

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Green roofs provide additional habitats

Green roofs differ from ground-level habitats in terms of biodiversity. This can help to boost biodiversity in cities.

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Recycling water and nutrients? Yes, says the expert

When there is a prolonged dry spell and local authorities call on residents to save water, questions immediately arise as to whether it would make sense to reuse more water and collect rainwater. In l...

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The hidden drivers of cyanobacterial blooms

Toxic blue-green algae blooms are a threat to lake ecosystems and can be toxic for humans and animals. At present, it is only possible to predict roughly when and where such blooms will form – based on water temperature and nutrient levels. Now, a long-term study by Eawag researchers shows that the accumulation of blue-green algae in a lake depends crucially on other plankton species: some organisms promote blue-green algae blooms, whilst others can prevent them even under favourable environmental conditions.

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Navigating the complexities of Blue-Green Infrastructure

As the leader of the research group on Multifunctional Blue-Green Design at Eawag, Lauren Cook explores the intricate trade-offs between flood management, biodiversity, and urban heat. In this interview, she challenges the simplicity of "nature-based solutions" and explains how decision-making tools can help find the optimal solution for competing goals.

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Groundwater requires more than just specialist knowledge: approaches to effective groundwater protection

Groundwater, our most important source of drinking water, faces a wide range of threats. A survey of experts shows that: the challenges are well known. However, effective protection requires better cooperation, more rigorous implementation of existing measures and long-term political commitment.

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Designing cities with and for biodiversity

When planning blue-green infrastructure, greater emphasis must be placed on biological aspects. Systems with higher biodiversity function more effectively.

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Environmental DNA Reveals Impact of Climate and Humans on Global River Fish Biodiversity

A global analysis of fish biodiversity using environmental DNA (eDNA) reveals how human activity and climate influence biodiversity patterns in river ecosystems. An international research team led by ...

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Supply of safe drinking water services reduces risk of diarrhoeal diseases

Access to safe drinking water, as defined by the SDGs, modestly protects children from diarrheal diseases. An Eawag study shows which service elements matter most.

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Martin Ackermann reappointed

The Federal Council reappoints Martin Ackermann as Eawag director for another term.

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How Innovative Climate Finance Is Transforming Water and Sanitation for a Resilient World

YouTube video by Eawag - aquatic research

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Charting new paths to living well within planetary limits, together: the Swiss Sufficiency Lab

YouTube video by Eawag - aquatic research

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Greater biodiversity through the restoration of wetland forests

A guide helps project leaders restore wetland forests to promote biodiversity and combat climate change.

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New method for monitoring groundwater recharge

Artificial groundwater recharge is one way of preparing for increasingly frequent dry spells. The length of time the water spends in the ground between infiltration and extraction is crucial to its qu...

eawag.ch

How local materials and climate shape optimal vermifilter design

The sanitation objective of Sustainable Development Goal 6, sanitation for all, is off-track and far from being completed by 2030. Vermifiltration could help address this gap: The nature-based sanitation management system shows increasing promise globally because of its low cost. Researchers at Eawag’s Sandec department visited vermifilter installations in India and Switzerland to examine how local differences influence their optimal design.

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Balancing Food and Water: Trade-offs in Land and Irrigation Investments in the Global South

YouTube video by Eawag - aquatic research

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