Innovating with nature for sustainable water management in the global south

Welcome to NEUTRAL4GS

NEUTRAL4GS is an ambitious European-funded initiative tackling one of the greatest global challenges of our time: access to clean and safe water.

By 2040, it is estimated that 1 in 4 children will be living in areas of extreme water stress due to overuse, rapid population growth, and climate change. The Global South is among the most affected regions, where urbanisation and climate vulnerabilities heighten the risks for millions. At the same time, regions in the Global North, including Europe, are also experiencing increasing drought and water scarcity, highlighting the need for global cooperation and knowledge exchange.

Our mission

NEUTRAL4GS brings together eight partners — including six academic institutions, one innovative SME, and one water utility — to co-develop nature-inspired urban water management solutions designed for and with the Global South.

Through co-creation and co-design, we aim to:

Reinvent urban water systems

To be more sustainable, decentralised, and inclusive

Tackle all forms of urban water

Stormwater, greywater, and wastewater

Combine nature-based solutions (NBS)

With advanced supporting technologies like: Membranes, Nanofiber biomass carriers, Graphene-based nanocomposites, Photocatalysis, Lightweight porous media

These technologies will be customised to local realities, using sustainable and locally available materials to reduce environmental impact and enhance social relevance.

Why it matters

By embracing circular water management, NEUTRAL4GS addresses:

Public health risks from untreated or contaminated water

Environmental pressures from linear (use-dispose) water systems

Socio-economic inequalities in water access and sanitation

Our approach includes holistic sustainability and economic assessments to guide the development and prioritisation of solutions — ensuring long-term value and replicability across different regions.

Beyond the project

NEUTRAL4GS is committed to empowering communities and engaging local authorities to ensure the adoption, ownership, and long-term impact of the solutions we develop.

While tailored for the Global South, many of our innovations are expected to bring added value to the European context as well.

Together, we aim to create a future where clean water is a right, not a privilege — delivered through solutions that are sustainable, inclusive, and resilient.

The project started on 1 January 2025 and has a duration of 48 months. It was submitted to the call HORIZON-MSCA-2023-SE-01; Type of Action: HORIZON-TMA-MSCA-SE. The EU contribution is EUR 740,600.00 This project has received funding from the European Union’s Horizon Europe under grant agreement No 101182652.

© 2026 NEUTRAL4GS — Innovating with nature for sustainable water management in the global south
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