C4W Platform

Latest projects

Completed

ProBleu

No organization

01/07/2026

Education Blue schools Blue education +1

ProBleu aims to boost Ocean and Water Literacy beyond the classroom by supporting the Network of European Blue Schools (NEBS) and…

Active

WABIOLI - Water Biodiversity Life

No organization

11/05/2026

Macrophyte Water Biodiversity

In the WABIOLI project, interested parties support scientists/university researchers studying the functioning of water reservoirs and rivers, identifying the diversity of coastal vegetation (i.e., macrophytes), and det…

Active

Dji Mansa, "Water Masters in Bambara"

AFR'EAU

29/04/2026

Water Sahel Local knowledge +1

Dji Mansa (“Water Masters”) is a citizen science initiative implemented in Mali and Niger that aims to strengthen water governance through the co-production of knowledge between local communities, researchers, …

Active

FLOW

No organization

24/04/2026

Water Monitoring Stream

FLOW is a citizen science project for the ecological monitoring of small streams. The project’s aim is to analyse and evaluate the ecological status of small streams together with interested citizens.…

Completed

CS:iDrop®

No organization

20/04/2026

Water Drinking water Water quality

Safely managed drinking water is of utmost importance for civilizations and is a Sustainable Development Goal of the United Nations Organization. In Germany, >99% of the population is supplied by local distributors through the region…

Active

Fountains of Bulgaria

No organization

03/04/2026

Water Education Bulgaria +1

Periodically active

Rete delle scuole per l'acqua (Schools for Water Network)

Source International

24/03/2026

Adaptation Climate change School +2

Schools for Water Network is an environmental education and community engagement project developed in Alta Langa, Piedmont, in response to the severe water crisis affecting the area since 2021. The proj…

Active

Testing Water Quality Credits in South Africa’s Mthinzima Catchment

GroundTruth

23/03/2026

Water Education River water monitoring +1

The Mthinzima Catchment Project in South Africa is a pioneering initiative that explores how citizen-led action …

Active

Action for Quality Aquatic Environments (AQuA)

No organization

24/02/2026

Water Monitoring Microbial contaminants +1

Currently no rivers in Yorkshire achieve a ‘good’ or ‘high’ status under the water framework directive classifications. Funding cuts to regulatory bodies have compounded this issue by reducing the number of official monitoring samples.<…

Periodically active

Home River Bioblitz

No organization

11/02/2026

Water Education Biodiversity +2

The Home River Bioblitz is a world-wide citizen science project that invites river lovers to explore their local rivers, zooming into details they normally pass by. Each 3rd weekend of September, local organizers bring out their communi…

Not yet started

Climate Change Resilient Equitable Healthy Cities in Africa (CLARITY-Africa)

No organization

12/02/2026

Water Climate Floods

CLARITY-Africa aims to generate novel transdisciplinary knowledge and trigger policies and practices that enhance resilience and adaptive capacity to the health effects of climate c…

Active

KdUINO

Institute of Marine…

11/02/2026

Water Marine DIY +2

KdUINO is a low-cost, open-source, Do-It-Yourself (DIY) citizen science project designed to monito…

Active

Water Action Volunteers

University of Wisco…

10/02/2026

Water Volunteering Rivers +1

The Water Action Volunteers (WAV) program aims to preserve, protect, and restore Wisconsin’s 86,000+ miles of streams and rivers by educating and empowering volunteers to (1) gather high-quality stream data useful for decision-making an…

Active

LAKEWATCH Florida

University of Flori…

10/02/2026

Water Lake Water quality

The Florida LAKEWATCH program conducts and supports primary research on limnology and fisheries science. We are broadly interested in freshwater ecology and chemistry. In the past, the program has produced meaningful research on water q…

Active

IslandWatch

UNESCO Intergovernm…

10/02/2026

Water Biodiversity Climate +4

UNESCO's IslandWatch programme, launched on 28 May 2024 at the SIDS4 conference, builds upon the legacy of the Sandwatch initiative by expanding the scope of environmental monitoring to address a wider range of challenges, includin…

Active

Be Resilient

UNESCO Man and the …

10/02/2026

Water South Africa Biosphere Reserves

The Be Resilient Citizen Science Programme aims at supporting UNESCO Biosphere Reserves to setup and manage…

Not yet started

Citizen Science River Overflow

INSIVUMEH

10/02/2026

Water Floods Space-time data +1

This project aims to encourage citizen participation in flood monitoring by recording

Active

RiverWatch: a citizen-science approach to river pollution monitoring

Università per Stra…

09/02/2026

Water Computer vision Plastic +1

Under unprecedented pressure from urbanization and climate change, an ever increasing number of streams worldwide fails to meet good ec…

Active

Empowering Communities: A Water Quality Citizen Science Initiative in the Yala River Basin (Kenya)

Vrije Universiteit …

09/02/2026

Water Education Nature Based Solutions +2

Water quality degradation in rivers and lakes is increasingly driven by pollution from diverse sources, often overwhelming the natural purification capacity of aquatic ecosystems. These pressures are further intensified by global change…

Active

Spring Voluntary Monitoring

University of Latvia

09/02/2026

Water Groundwater Water governance +1

Completed

Titicaca Aqua Watch: Indigenous Empowerment for Environmental Justice

Vrije Universiteit …

09/02/2026

Water Indigenous culture Social sciences +2

Developed and implemented in collaboration with four Indigenous communities in Chojasivi and the Bolivian Catholic University, and the Vrije Universiteit Brussel (VUB), this project underta…

Active

Citizen Science Engagement in Cauvery Delta

ATREE

08/02/2026

Water Kaverydelta Cauverydelta

The Cauvery Delta in Tamil Nadu, India, is one of the country’s most productive agricultural regions and supports thousands of farming households. However, the r…

Active

HARVEST: establisH A foRecast VErification dataSet Through citizen reports

Royal Meteorologica…

12/12/2025

Water Climate Floods +1

Since August 2019, users of the smartphone app of the Royal Meteorological Institute of Belgium (RMI) are able to send an observation of the meteorological conditions at a certain place and a certain time. The observations provide infor…

Active

Freshwater Watch Parma

Parma Sostenibile

05/12/2025

Water Education Biodiversity +3

This Citizen Science project, funded under the 2024 "Sustainable Communities" call by Fondazione Cariparma, aims to engage citizens, institutions, businesses, and farmers in monitoring and protecting the surface waters of the Municipali…

Active

Science In and with Society: reducing emissions of TExtile Microplastics in the NetherLands (SISTEM-NL)

University of Amste…

27/11/2025

Ocean Water Marine +4

Microfibers released from textiles are a major source of microplastics, impacting ecosystem health. Current models estimating emission of microfibers to the environment are characterised by very high uncertainties in the parameterizatio…

Active

AquaCoLab - Burgos

Universidad de Burg…

24/11/2025

Water Biodiversity Burgos +3

The project “AquaCoLab: collaborative laboratories and citizen science for monitoring the quality of freshwater systems” is a Citizen Science project developed by the University of Burgos in collaboration with the Spanish Foundation for…

Active

HydroCrowd

Justus Liebig Unive…

18/11/2025

Water Climate Water data +6

Climate change has a worldwide impact on water availability and the occurrence of extreme weather events like floods and droughts. Reliable weather and water data are urgently needed to inform sustainable water management and deve…

Active

LIFE WADER

Natural England

14/11/2025

Water Marine INNS +2

LIFE WADER is a five-year project aimed at improving the condition of the river, intertidal and marine habitats of the Northumberland coast and Tweed catchment…

Active

PreserVamos

No organization

13/11/2025

Water Education Biodiversity +6

PreserVamos is an Argentine citizen-science initiative focused on monitoring freshwater ecosystems such as rivers, streams, and lakes. It enables residents, students, and local communities to record environmental observations through a …

Active

iSPEX 2

Pocket.Science

13/11/2025

Water Social sciences Education +4

iSPEX 2 provides foreoptics to the standard camera of any smartphone with Android or iOS operating systems. Ligh…

Completed

Watermonsters

Waterland vzw

28/10/2025

Water quality Citizen science

Watermonsters by Waterland vzw was a large-scale citizen science initiative engaging citizens in Flanders and Brussels to measure the quality of local rive…

Active

CrowdWater

University of Zurich

27/10/2025

Water Biodiversity Climate +5

The CrowdWater project is investigating how the public can be involved in the collection of hydrological data, as well as what value the collected data can have for hydrological forecasts. For this, CrowdWater relies on the support of v…

Active

RiverWatch

UNESCO Intergovernm…

27/09/2025

Water Education Climate +3

RiverWatch is UNESCO IHP’s initiative on citizen science in hydrology, designed as a broad framework for participatory engagement, education, and capacity-building around water-related challenges. It provides a systemic approach that em…

Active

Plastic Pirates - Go Europe!

No organization

01/10/2025

Ocean Water Marine +6

Plastic Pirates – Go Europe! is a citizen science initiative that engages school classes and youth groups (10 - 18 yo's) in surveying litter (macro and micro) along rivers and coastlines. Usi…

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Latest resources

ProBleu School Funded Projects

No organisation

01/07/2026

English Link with formal education

This publication presents a collection of 111 school projects supported by the European project ProBleu (ProBleu Project, Grant agreement No. 101113001), focused on promoting water and ocean literacy across educational communities. The pr…

UNESCO Recommendation on Open Science

UNESCO Man and the …

11/02/2026

English Reflections on science

This Recommendation outlines a common definition, shared values, principles and standards for open science at the international level and proposes a set of actions conducive to a fair and equitable operationalization of open science for al…

Data charter and guide for citizen science

Scivil

11/02/2026

English Data quality and standards

The citizen science data charter and guide contains recommendations and tips for handling data in citizen science projects. The principles set out in this document will guide actors in citizen science to generating and storing findable, re…

Open Hydrology

UNESCO Intergovernm…

11/02/2026

English Reflections on science

The UNESCO Recommendation on Open Science has set an international standard of guiding principles for Open Science. It encompasses a set of principles and practices aimed at making scientific research from all fields accessible to everyone…

Upcoming events

Sep 15, 2026

Delft

Developing stakeholder-driven solutions for a water resilient river basin management: Connecting Science to Practice

This conference, organised by the STARS4Water project will bring together river basin authorities, policy makers, scientific institutions, and European actors to reflect on advancing climate-resilient water management across Europe.

Go to event page

Sep 18, 2026

England, Wales, Scotland and …

The Great UK WaterBlitz Autumn 2026

The Great UK WaterBlitz campaign is calling on everyone across England, Wales, Scotland and Northern Ireland to venture out and test the quality of their local freshwater body.

Go to event page

Sep 19, 2026

Worldwide

World Cleanup Day

For the sixth time, River Cleanup will join World Cleanup Day on September 19-20th. Millions of people from all over the world join hands to clean up litter. Check out how you can become a part of this global movement!

Go to event page

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Latest projects

ProBleu

WABIOLI - Water Biodiversity Life

Dji Mansa, "Water Masters in Bambara"

FLOW

CS:iDrop®

Fountains of Bulgaria

Rete delle scuole per l'acqua (Schools for Water Network)

Testing Water Quality Credits in South Africa’s Mthinzima Catchment

Action for Quality Aquatic Environments (AQuA)

Home River Bioblitz

Climate Change Resilient Equitable Healthy Cities in Africa (CLARITY-Africa)

KdUINO

Water Action Volunteers

LAKEWATCH Florida

IslandWatch

Be Resilient

Citizen Science River Overflow

RiverWatch: a citizen-science approach to river pollution monitoring

Empowering Communities: A Water Quality Citizen Science Initiative in the Yala River Basin (Kenya)

Spring Voluntary Monitoring

Titicaca Aqua Watch: Indigenous Empowerment for Environmental Justice

Citizen Science Engagement in Cauvery Delta

HARVEST: establisH A foRecast VErification dataSet Through citizen reports

Freshwater Watch Parma

Science In and with Society: reducing emissions of TExtile Microplastics in the NetherLands (SISTEM-NL)

AquaCoLab - Burgos

HydroCrowd

LIFE WADER

PreserVamos

iSPEX 2

Watermonsters

CrowdWater

RiverWatch

Plastic Pirates - Go Europe!

Have a citizen science project?

Latest resources

ProBleu School Funded Projects

UNESCO Recommendation on Open Science

Data charter and guide for citizen science

Open Hydrology

Upcoming events