Papers

61,005 results
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Article Tier 2

The Contribution of Citizen Scientists to the Monitoring of Marine Litter

Researchers compared 40 citizen science marine litter monitoring studies with 40 professional science studies, finding that citizen science projects have mainly focused on beach surveys and successfully generated large-scale distribution data, while professional studies have contributed more to composition analysis and ecological impact assessment. The review highlights the complementary strengths of both approaches and the value of citizen participation in long-term litter monitoring.

2015 118 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

Advancing Citizen Science for Coastal and Ocean Research

This position paper promotes citizen science as a powerful tool for marine research, especially for the large-scale data collection needed to monitor ocean pollution including microplastics. Citizen science programs have already contributed significant data on plastic debris distribution in coastal and offshore waters.

2019 40 citations
Article Tier 2

Citizen Observation of Plastic Pollution in African Coastal Ecosystems to Address Data Gaps in Marine Litter Distribution

Researchers engaged citizen science networks in West Africa to collect data on plastic pollution in coastal ecosystems, addressing major gaps in marine litter distribution data for the region. Community-collected observations documented high plastic loads in Nigerian, Ghanaian, and Senegalese coastal sites, demonstrating that citizen science can effectively fill monitoring gaps in data-scarce regions.

2025
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

Determining global distribution of microplastics by combining citizen science and in-depth case studies

This study combined citizen science sampling data with in-depth field studies to build a better global picture of microplastic distribution. The approach shows how large-scale volunteer monitoring can extend spatial coverage far beyond what professional researchers can achieve alone.

2017 Integrated Environmental Assessment and Management 45 citations
Article Tier 2

Citizen-Science for the Future: Advisory Case Studies From Around the Globe

This paper presents case studies of citizen science projects contributing ocean observation data, showing that non-professional volunteers can meaningfully supplement scientific monitoring. Citizen science approaches are increasingly used to monitor microplastic pollution across coastlines and waterways globally.

2019 Frontiers in Marine Science 25 citations
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

Using citizen science to understand floating plastic debris distribution and abundance: A case study from the North Cornish coast (United Kingdom).

This citizen science study used a standardized methodology to monitor floating plastic debris off the Cornish coast of the UK, finding microplastic concentrations comparable to or higher than other European coastal regions. The study demonstrates that citizen science can generate useful, standardized data on plastic pollution in coastal waters.

2023 Marine pollution bulletin
Article Tier 2

Citizen science study on maritime traffic and plastic debris in Asturias estuaries

A citizen science project involving maritime volunteers collected data on plastic debris distribution relative to shipping traffic patterns, demonstrating that vessel routes correlate with certain debris accumulation zones. The study showcases how public participation can generate large-scale environmental monitoring datasets.

2025 Journal of Marine Systems 1 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

Citizen science in environmental and ecological sciences

This review describes how citizen science, where non-professional volunteers help collect data, is being applied in environmental and ecological research. Citizen science projects have contributed to monitoring pollution, biodiversity, and water quality across large geographic areas. The approach is relevant to microplastic research because trained volunteers can help sample and catalog microplastic contamination across many locations that professional scientists cannot cover alone.

2022 Nature Reviews Methods Primers 426 citations
Article Tier 2

An Integrated Observing System for Monitoring Marine Debris and Biodiversity

An integrated observing system combining sensors, vessels, and citizen science platforms for simultaneous monitoring of marine debris and biodiversity is proposed, addressing the shift from natural to primarily human-generated plastic debris in the ocean over the twentieth century.

2021 Oceanography 12 citations
Systematic Review Tier 1

Citizen Science in Plastic Remediation: Strategies, Applications, and Technologies for Community Engagement

This systematic review summarizes how citizen science — everyday people collecting data and participating in cleanup efforts — is being used to fight plastic pollution. It finds that community involvement produces valuable large-scale data on microplastic distribution and helps drive local policy changes.

2026 Sustainability
Article Tier 2

Toward the Integrated Marine Debris Observing System

Researchers proposed a framework for an integrated marine debris observing system that would combine remote sensing, in situ measurements, and computer modeling to monitor plastic pollution globally. The study outlines how optical sensors, satellite imagery, and citizen science programs could work together to track debris sources, pathways, and accumulation patterns. The system aims to support policy decisions and operational cleanup efforts by providing reliable long-term data on the state of ocean plastic pollution.

2019 Frontiers in Marine Science 285 citations
Article Tier 2

Citizen science: A way forward in tackling the plastic pollution crisis during and beyond the COVID-19 pandemic

Researchers called for expanded citizen science participation in plastic pollution monitoring during and after the COVID-19 pandemic, arguing that pandemic-related disruptions to formal research programs created critical data gaps that community data collection could help fill for globally informed mitigation strategies.

2021 The Science of The Total Environment 56 citations
Article Tier 2

Addressing data gaps in marine litter distribution: Citizen science observation of plastics in coastal ecosystems by high-school students

The COLLECT citizen science project (2021-2022) trained high school students in seven African and Asian countries to sample and analyze macro-, meso-, and microplastics on beaches, generating open-access baseline data on coastal plastic pollution in regions with previously limited monitoring coverage.

2023 Frontiers in Marine Science 23 citations
Article Tier 2

Testing citizen science as a tool for monitoring surface water microplastics

Researchers tested citizen science as a monitoring method for surface water microplastics in the Baltic Sea using a custom manta trawl aboard a sailing vessel, sampling at seven locations and finding microplastic concentrations from 0.45 to 1.98 MP/m², and evaluated the viability of integrating citizen science into large-scale MP monitoring programs.

2022 Environmental Monitoring and Assessment 15 citations
Article Tier 2

Accuracy of a Simple Microplastics Investigation Method on Sandy Beaches

This study tested a simplified citizen science method for monitoring microplastic pollution on sandy beaches, evaluating its accuracy compared to standard research methods. Reliable citizen science approaches could dramatically expand the geographic coverage of microplastic monitoring beyond what professional researchers alone can achieve.

2023 Preprints.org 1 citations
Article Tier 2

Microplastic detectives: a citizen-science project reveals large variation in meso- and microplastic pollution along German coastlines

A citizen science project recruited volunteers to sample meso- and microplastics along German Baltic and North Sea coastlines, achieving spatial coverage far beyond what scientific teams alone could accomplish. Large variation in plastic pollution was found across sites, with some areas showing unexpectedly high concentrations linked to local sources and ocean circulation patterns.

2024 Frontiers in Environmental Science 6 citations
Article Tier 2

A new deal between Science and Society through Citizen Science: the case study of sea-surface microplastics research

Researchers explored the role of citizen science in sea-surface microplastic monitoring, arguing it can help bridge the trust gap between scientific institutions and the public. The study used a Mediterranean microplastics monitoring program as a case study showing how citizen participation improved data coverage and community engagement.

2025 Frontiers in Environmental Science
Article Tier 2

Marine Litter Tracking System: A Case Study with Open-Source Technology and a Citizen Science-Based Approach

Researchers deployed GPS-tracked drifter devices in the Arno River using open-source hardware and citizen science approaches to track how plastic litter moves through river systems toward the ocean, providing empirical data on plastic transport dynamics that can improve models of river-to-ocean plastic flux.

2023 Sensors 25 citations
Article Tier 2

Approaches to understanding and monitoring sources, distribution, and fate of plastic waste generated on the Peruvian coast

Researchers established monitoring approaches for plastic waste sources, distribution, and fate along the Peruvian coast through the REMARCO Regional Citizen Science Programme, quantifying inputs from Lima and Callao, mapping pollution pathways from sources to marine environments, and building national capacity for microplastic monitoring in sandy beaches.

2025
Article Tier 2

Paddle surfing for science on microplastic pollution: a successful citizen science initiative

Researchers used paddle surfers as citizen scientists to collect microplastic samples from near-shore coastal waters in the Mediterranean Sea, filling a gap in data from areas close to the coastline. The study demonstrates how citizen science can expand microplastic monitoring to locations that are difficult to access with conventional research vessels.

2021 9 citations