Papers

20 results
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Article Tier 2

Can we investigate microplastic pollution with school students? Experiences from eight years of citizen science research

Researchers reported on eight years of citizen science microplastic research conducted with school students through the Plastic Pirates program, sharing methodological experiences and lessons learned from involving more than 24,000 participants across Germany and other European countries in rigorous environmental monitoring.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Sharing communication insights of the citizen science program Plastic Pirates—best practices from 7 years of engaging schoolchildren and teachers in plastic pollution research

The Plastic Pirates citizen science program in Germany engaged schoolchildren and teachers in monitoring plastic pollution in rivers over seven years, and this paper shares the communication strategies that made the program work at scale. Effective participant recruitment, guidance, and feedback loops enabled the program to generate peer-reviewed scientific data while building environmental literacy. The lessons offer a replicable model for using citizen science to expand microplastic monitoring coverage beyond what professional researchers can achieve alone.

2023 Frontiers in Environmental Science 13 citations
Article Tier 2

Schoolchildren discover hotspots of floating plastic litter in rivers using a large-scale collaborative approach

A large-scale citizen science project involving schoolchildren detected microplastic hotspots in rivers across multiple European countries, demonstrating that collaborative monitoring can generate spatially extensive data on riverine plastic pollution.

2021 The Science of The Total Environment 52 citations
Article Tier 2

Comparison of the macro-, meso- and microplastic pollution in French riverbanks and beaches using citizen science with schoolchildren

Researchers conducted a citizen science initiative with French schoolchildren to compare macro-, meso-, and microplastic pollution across 86 riverbank and beach sites, finding that riverbanks accumulated distinct plastic assemblages compared to beaches. The study demonstrated that schoolchildren can generate reliable comparative litter data, and highlighted rivers as underrepresented yet critical plastic transport pathways to the ocean.

2024 1 citations
Article Tier 2

Have You Ever Seen a Microplastic? A Collaborative High School–Academia Approach for Identification, Quantification and Raising Awareness of Microplastics in a River Crossing Urban Area

Researchers designed a high school–university collaboration where students collected water samples from an urban river, identified microplastics by microscopy, and contributed to local pollution mapping — demonstrating that student-led citizen science can meaningfully advance microplastic monitoring while raising environmental awareness.

2025 Journal of Chemical Education
Article Tier 2

Citizen science sampling programs as a technique for monitoring microplastic pollution: results, lessons learned and recommendations for working with volunteers for monitoring plastic pollution in freshwater ecosystems

Volunteers monitored microplastic contamination along 550 km of the Ottawa River in Canada using a standardized method, finding microplastics at almost every sampling site. Citizen science programs like this show promise for scaling up microplastic monitoring at low cost.

2019 Environmental Monitoring and Assessment 68 citations
Article Tier 2

Making citizen science count: Best practices and challenges of citizen science projects on plastics in aquatic environments

This paper reviews best practices and challenges for citizen science projects focused on plastic pollution in aquatic environments, finding that while citizen science can effectively gather large-scale data and raise public awareness, data quality and consistency remain significant challenges.

2019 Marine Pollution Bulletin 109 citations
Article Tier 2

First results of citizen science campaign, Plastic Pirates, in Latvia – microplastic pollution in rivers and streams

Researchers presented the first results from the 'Plastic Pirates - Go Europe!' citizen science initiative in Latvia, where schoolchildren collected data on microplastic and litter pollution in rivers and streams to build knowledge on pollution sources and transport pathways in a data-poor region. The campaign identified dominant plastic types and pollution hotspots in Latvian waterways, demonstrating the value of structured citizen science for expanding monitoring coverage in countries with limited research infrastructure.

2024 Zenodo (CERN European Organization for Nuclear Research)
Systematic Review Tier 1

Citizen Science for Monitoring Plastic Pollution from Source to Sea: A Systematic Review of Methodologies, Best Practices, and Challenges

This systematic review examines how citizen science programs track plastic pollution from land to sea. The research found that while public participation greatly expands data collection, inconsistent methods and data quality issues limit the scientific usefulness of the results. Better-designed citizen science programs could help communities monitor and respond to the microplastic pollution in their local environments.

2025 Water 2 citations
Article Tier 2

Comparison of macrolitter and meso- and microplastic pollution on French riverbanks and coastal beaches using citizen science with schoolchildren

A citizen science project with 3,113 French schoolchildren sampled 81 riverbanks and 66 coastal beaches, collecting 55,986 plastic pieces, and found that riverbanks had comparable plastic pollution levels to beaches, highlighting rivers as underrecognized plastic accumulation zones.

2024 Environmental Science and Pollution Research 7 citations
Article Tier 2

A nationwide assessment of plastic pollution in the Danish realm using citizen science

Researchers conducted a nationwide citizen science assessment of plastic pollution across Denmark, Greenland, and the Faeroe Islands, with approximately 57,000 school students collecting 374,082 plastic items across eight nature types in 94 of 98 Danish municipalities. The study demonstrated that student-led citizen science can fill important knowledge gaps in land-based plastic litter monitoring beyond beach surveys.

2020 Scientific Reports 84 citations
Article Tier 2

Volunteer microplastic sampling in Puget Sound: strategies for broad inclusion, education, and research

This paper describes a volunteer microplastic sampling program in Puget Sound, Washington, examining strategies for community participation and data quality in citizen science monitoring of marine plastic pollution. The program demonstrates how broad public involvement can generate spatially extensive environmental data at low cost.

2018 Western CEDAR (Western Washington University)
Article Tier 2

A watershed-scale, citizen science approach to quantifying microplastic concentration in a mixed land-use river

Trained citizen scientists collected water samples at 72 sites across the Gallatin River watershed in Montana and found microplastics at all locations, with higher concentrations in areas downstream of urban land use. The study demonstrates that citizen science can effectively generate watershed-scale microplastic data while also linking plastic pollution to land use patterns.

2018 Water Research 275 citations
Article Tier 2

Students’ attitudes towards the environment and marine litter in the context of a coastal water quality educational citizen science project

Middle school students who participated in a citizen science project monitoring coastal water quality and microplastic pollution showed significantly more positive environmental attitudes afterward compared to a control group. The study suggests that hands-on engagement with real microplastic research can be an effective way to build environmental awareness in young people.

2023 Australian Journal of Environmental Education 8 citations
Article Tier 2

Exploratory Work with the Classroom Community: "assessment of the Pollution of the Sventoji River" in the Citizen Science Project "plastic Pirates"

This Lithuanian classroom report describes second-grade students and their parents participating in the European Plastic Pirates citizen science project by assessing plastic pollution in the Sventoji River. The activity aimed to build scientific literacy and environmental awareness about plastic pollution in waterways.

2023 Natural Science Education in a Comprehensive School (NSECS)
Article Tier 2

First results of citizen science campaign, Plastic Pirates, in Latvia – microplastic pollution in rivers and streams

Researchers reported the first results of the 'Plastic Pirates - Go Europe!' citizen science campaign in Latvia, engaging schoolchildren to collect data on microplastic and litter pollution in rivers and streams. The study identified pollution types and sources in a country where such research has historically been limited, contributing to understanding of riverine pathways for plastic transport to the sea.

2024 Zenodo (CERN European Organization for Nuclear Research)
Article Tier 2

Evaluating community science sampling for microplastics in shore sediments of large river watersheds

Researchers coordinated 42 citizen science volunteers across 68 locations spanning 750 km of the Ottawa River Watershed to collect sediment samples for microplastic analysis, finding relatively low particle concentrations compared to other freshwater watersheds and demonstrating that community science effectively enables large spatial coverage while requiring strict laboratory quality control protocols.

2023 FACETS 3 citations
Article Tier 2

The potential contribution of citizen science data in the study of coastal microplastic and mesoplastic distributions

Researchers analyzed citizen science data from the Big Microplastic Survey to assess the potential contribution of volunteer-collected observations to understanding coastal microplastic and mesoplastic distribution patterns, evaluating data quality and spatial coverage relative to conventional scientific monitoring.

2025 Environmental Monitoring and Assessment
Article Tier 2

The sampling and analysis of coastal microplastic and mesoplastic: Development of a citizen science approach

This study designed, developed, and tested a citizen science approach to microplastic and mesoplastic data collection on coastal beaches to address scale and coverage limitations of traditional research methods. Results showed non-expert participants could collect comparable data to researchers, expanding monitoring capacity across undersampled coastlines.

2024 Journal of Coastal Conservation 4 citations
Article Tier 2

Microplastic Pollution Projects and Participatory Science

This paper discusses citizen science and participatory science projects for monitoring microplastic pollution, reviewing methodological approaches, data quality considerations, and the potential for large-scale pollution mapping through public engagement.

2024