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Editorial: Cutting edge reclamation solutions for transforming biodegradable waste into sustainable resources
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DOI：10.3389/fenvs.2026.1953007.png)
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Abstract
En 中文
Proper management of biodegradable agricultural and municipal waste represents one of the most pressing environmental challenges of the 21st century. Encompassing food scraps; agricultural residues; green waste from urban landscapes; forestry by-products; and sewage sludge; this highly diverse waste group presents complex management challenges. Currently; biodegradable waste accounts for approximately 60% to 70% of the total waste generated in Europe; and forecasts indicate this proportion will continue to rise. Traditional disposal practices; particularly landfilling; are no longer ecologically or economically viable. The landfilling of biodegradable waste drives severe environmental degradation; including greenhouse gas emissions; groundwater contamination via leachates laden with toxic elements; and the permanent loss of valuable nutrients.Consequently; numerous EU member states have implemented landfill bans for organic waste; accelerating the transition toward circular bioeconomy models centered on composting and anaerobic digestion. This strategic shift aligns with modern trends focused on transforming waste biomass into high-value raw materials; a concept attracting growing interest across both scientific research and industrial practice. Efficient resource recovery not only minimizes the volume of waste destined for disposal but also significantly mitigates greenhouse gas emissions.Despite rapid technological progress in organic waste management; critical hurdles remain regarding process efficiency; toxicological safety (e.g.; controlling microplastics; heavy metals; phytotoxicity; and pathogens); and regional supply-chain optimization. This Research Topic; titled "Cutting Edge Reclamation Solutions for Transforming Biodegradable Waste into Sustainable Resources; " brings together innovative research papers addressing the entire continuum of biowaste recovery from the macroscopic spatial dynamics of green waste generation and carbon dioxide accounting in food waste processing to novel biological biotransformations and industrial waste valorization. Frass serves as an effective organic amendment that restores soil organic carbon; enhances soil microbial function; and reduces reliance on synthetic mineral fertilizers; thereby advancing both ecosystem services and food security. The authors emphasize that by creating a supportive policy and operational environment for IBOWM; stakeholders can advance sustainable waste management; enhance food security; and promote long-term ecological health.cultivation. Frontiers in Sustainability; 6; 1661849.Beyond purely biological wastes; the synergistic combination of inorganic mineral by-products with soil matrices offers novel reclamation avenues. Singh et al. investigated the controlled application of fly ash; an industrial inorganic by-product; as a soil amendment in medicinal plant cultivation. Their experimental results demonstrated that calibrated fly ash application improves soil physicochemical properties and enhances micro-and macronutrient availability without inducing phytotoxicity or hazardous element bioaccumulation. This work expands the horizon of waste-to-resource applications; examining both the environmental risks and agronomic opportunities of utilizing mineral waste streams in specialized agricultural production.Together; the contributions compiled in this Research Topic demonstrate that sustainable biodegradable waste management cannot rely on isolated; single-technology solutions. Instead; a multi-faceted approach is required. This also sets the direction for future research; which should focus on aspects such as:1. Safety and Ecotoxicology: standardizing analytical and monitoring protocols to track microplastics; persistent organic pollutants; and antibiotic residues in waste-derived amendments.2. Soil Health and Carbon Sequestration: evaluating the long-term field impacts of recycled amendments on soil fertility with particular emphasis on the soil's ability to sequester and retain water; which is of great importance in the current situation of rapidly occurring climate change.3. Policy and Circular Bioeconomy Integration: bridging scientific findings with legislative and market frameworks to support high-value waste-derived products. Crucially; future research must establish robust; verifiable methodologies to assess the true environmental impact of biowaste utilization within the circular bioeconomy and carbon farming initiatives. Rigorous certification standards and transparent life-cycle tracking are essential to ensure ecological integrity; prevent greenwashing; and build genuine stakeholder trust.We express our sincere gratitude to all the authors; reviewers; and the Frontiers editorial team for their invaluable contributions toward making this Research Topic a valuable milestone in sustainable waste management issues.
Keywords:
sustainable agriculture
biotransformation
soil health
resource recovery
carbon accounting
circular bioeconomy
biodegradable waste
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