Coastal Waste Recycling: From Beach Collection to Circular Economy

A special issue of Recycling (ISSN 2313-4321).

Deadline for manuscript submissions: 30 September 2026 | Viewed by 1044

Editors


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Guest Editor
Instituto do Mar, Universidade de São Paulo, Santos, Brazil
Interests: sandy beach ecology; marine pollution; biodiversity patterns and conservation biology
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Departamento de Ciências Exatas, Biológicas e da Terra, Universidade Federal Fluminense, Santo Antônio de Pádua 28470-000, Brazil
Interests: fish biology; microplastic; aquatic ecology; freshwater; plastic pollution; environmental education

Special Issue Information

Dear Colleagues,

This Special Issue focuses on how coastal waste monitoring and large-scale clean-up initiatives can be transformed from reactive mitigation actions into strategic drivers of circular economy solutions. Its scope encompasses research linking beach litter surveys, citizen science programs, and mega clean-up efforts to reverse logistics systems, extended producer responsibility, and material reintegration into production chains. Contributions are invited on sustainability indicators of polluters, socio-economic drivers of waste prevalence in coastal zones, governance arrangements (public, private, and third sector), state and corporate investment, and cross-border management strategies, including meta-deposit frameworks. We also welcome studies addressing contamination risks, source-tracking approaches, and broader environmental indicators that connect marine debris to watershed dynamics and social inequality.

The purpose of this Special Issue is to bridge the gap between marine pollution monitoring and actionable circular economy pathways. While the existing literature often emphasizes ecological impacts, this collection advances integrative frameworks that combine ecological data, socio-economic indicators, governance models, and recycling innovations. By connecting coastal collection data to systemic waste management reform, the Special Issue aims to provide evidence-based tools to inform policy, guide investment, and strengthen transnational cooperation toward sustainable marine resource stewardship.

Dr. Leonardo Lopes Costa
Dr. Igor David Costa
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Recycling is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • marine debris
  • circular economy
  • reverse logistics
  • coastal waste monitoring
  • citizen science
  • clean-up
  • waste governance
  • sustainability indicators

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Published Papers (1 paper)

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Review

22 pages, 3665 KB  
Review
Transforming Beach-Accumulated Seaweed into High-Value Bioactive Products: A Recycling Perspective
by Dinusha Shiromala Dissanayake, Thilina U. Jayawardena and Dineth P. Nagahawatta
Recycling 2026, 11(7), 116; https://doi.org/10.3390/recycling11070116 - 26 Jun 2026
Viewed by 724
Abstract
Due to large-scale macroalgal blooms, nutrient enrichment, and changes in ocean circulation brought on by climate change, beach-accumulated seaweed (BAS) has quickly become a global environmental and waste-governance concern. Despite degradation and contamination during beach stranding, BAS retains valuable bioactive compounds, including sulfated [...] Read more.
Due to large-scale macroalgal blooms, nutrient enrichment, and changes in ocean circulation brought on by climate change, beach-accumulated seaweed (BAS) has quickly become a global environmental and waste-governance concern. Despite degradation and contamination during beach stranding, BAS retains valuable bioactive compounds, including sulfated polysaccharides, phlorotannins, pigments, proteins, peptides, and lipids, which exhibit anti-inflammatory, antioxidant, antimicrobial, antiviral, immunomodulatory, anticancer, and metabolic regulatory activities. This review critically evaluates BAS as a sustainable bioresource by integrating current knowledge on biomass composition, degradation-associated challenges, bioactive properties, valorization pathways, advanced extraction technologies, safety validation, regulatory considerations, and emerging commercialization opportunities. Attention is given to sustainable valorization pathways, ranging from composting and bioenergy production to the recovery of high-value bioactives through enzyme-assisted, green, and advanced extraction technologies. The review further discusses policy and regulatory gaps, contamination challenges, safety validation requirements, and life-cycle sustainability considerations that currently limit industrial adoption. Finally, emerging opportunities involving metabolomics, microbial bioprocessing, artificial intelligence, automation, and nanotechnology are explored as future directions for transforming BAS into a standardized and economically viable feedstock within the circular blue bioeconomy. Establishing harmonized regulatory frameworks and integrating BAS management with Sustainable Development Goals (SDGs) 12 and 14 will be critical for enabling sustainable resource recovery and long-term coastal resilience. Full article
(This article belongs to the Special Issue Coastal Waste Recycling: From Beach Collection to Circular Economy)
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