Themed collection Chemical waste and pollution

Development of the global measurement system and its ongoing importance for accurate and effective air quality measurements
This article emphasizes the crucial role of metrology, the science of measurement, in modern life.
Environ. Sci.: Processes Impacts, 2025,27, 289-296
https://doi.org/10.1039/D4EM00511B

Solving freshwater conservation challenges through next-generation sequencing approaches
Traditional aquatic biomonitoring has limitations in resolution and understanding ecosystem dynamics. Next-generation sequencing methods offer a more comprehensive assessment of biodiversity and ecosystem functioning, overcoming these constraints.
Environ. Sci.: Adv., 2024,3, 1181-1196
https://doi.org/10.1039/D4VA00112E

Global monitoring of persistent organic pollutants (POPs) in biota, water and sediments: its role in screening for unregulated POPs, in compiling time trends of regulated POPs under the Stockholm Convention (SC) and their relevance for biodiversity in a changing climate
This paper considers elements of the dynamic process of production dispersal and monitoring of persistent organic pollutants in the environment that has unfolded over the past 100 years.
Environ. Sci.: Adv., 2024,3, 1111-1123
https://doi.org/10.1039/D4VA00023D

The 12 principles of green membrane materials and processes for realizing the United Nations' sustainable development goals
The 12 principles of green membrane materials and processes are formulated. Their contributions to the 3 pillars of sustainability and the UN-SDGs are explained. Research priorities are set. A membrane waste management hierarchy is introduced.
RSC Sustainability, 2024,2, 871-880
https://doi.org/10.1039/D4SU00027G

Emissions-intensive and trade-exposed industries: technological innovation and climate policy solutions to achieve net-zero emissions by 2050
We developed a Technology Roadmap for emissions intensive and trade exposed (EITE) sectors to help policymakers and firms formulate a climate change mitigation strategy employing innovative technologies for large industrial emitters.
RSC Sustainability, 2024,2, 903-927
https://doi.org/10.1039/D3SU00335C

Energy crisis in Europe enhances the sustainability of green chemicals
Europe's energy crisis has made green routes for ammonia and methanol synthesis economically competitive. This presents an opportunity for Europe to lead the grand transition towards a sustainable chemical industry.
Green Chem., 2023,25, 6603-6611
https://doi.org/10.1039/D3GC01053H

Safe-and-sustainable-by-design chemicals and advanced materials: a paradigm shift towards prevention-based risk governance is needed
We need a paradigm shift towards prevention-based risk governance of chemicals and advanced materials via a transition towards SSbD. Defining SSbD metrics and trade-offs should be a co-creative process and can benefit from applying digital tools.
RSC Sustainability, 2023,1, 838-846
https://doi.org/10.1039/D3SU00045A

The emergence of microplastics: charting the path from research to regulations
This paper summarizes recent groundbreaking research and regulations for microplastics and provides critical recommendations to overcome additional barriers.
Environ. Sci.: Adv., 2023,2, 356-367
https://doi.org/10.1039/D2VA00275B

Policy options to account for multiple chemical pollutants threatening biodiversity
Chemical pollution poses a threat to biodiversity on a global scale.
Environ. Sci.: Adv., 2023,2, 151-161
https://doi.org/10.1039/D2VA00257D

Recent development of end-of-life strategies for plastic in industry and academia: bridging their gap for future deployment
Bridging the gap between academia and industry in plastic recycling will accelerate innovation and deployment toward solving the global challenge of plastic waste management and establishing net zero carbon society.
Mater. Horiz., 2023,10, 1608-1624
https://doi.org/10.1039/D2MH01549H
Innovative materials that behave like robots to combat plastic pollution
The growing plastic pollution crisis demands novel approaches, with innovative materials that mimic robotic behaviors emerging as a promising solution.
Mater. Horiz., 2025,12, 4042-4064
https://doi.org/10.1039/D4MH01772B
Recycling and direct regeneration of valuable cathode materials from spent Li-ion batteries: a comprehensive review
This review analyzes key recycling and regeneration methods for spent cathodes, emphasizing scientific advances and their significance. It discusses challenges, future directions, and scalable solutions for industrial implementation.
J. Mater. Chem. A, 2025,13, 8968-9004
https://doi.org/10.1039/D4TA07765B
What is the potential of walnut shell-derived carbon in battery applications?
The use of walnut shells for energy storage offers a sustainable, innovative approach, enhancing energy density and cost efficiency. While it presents environmental benefits, challenges remain in scalability and optimization.
Nanoscale, 2025,17, 113-141
https://doi.org/10.1039/D4NR03460K

Photocatalytic degradation of drugs and dyes using a maching learning approach
The waste management industry uses an increasing number of mathematical prediction models to accurately forecast the behavior of organic pollutants during catalytic degradation.
RSC Adv., 2024,14, 9003-9019
https://doi.org/10.1039/D4RA00711E

‘Green’ synthesis of amines from renewable resources? A detailed analysis of case studies using the CHEM21 green metrics toolkit
Green amine synthesis is assessed using the CHEM21 green metrics toolkit, offering a step-by-step guide for sustainability evaluation and promoting environmentally conscious transformations.
Green Chem., 2025,27, 5947-5981
https://doi.org/10.1039/D5GC00924C
Toxicological data bank bridges the gap between environmental risk assessment and green organic chemical design in One Health world
This review aims to introduce the rich applications of chemical toxicological data for environmental risk assessment and green chemical design by illustrating referable examples or cases. Further, we present a comprehensive toxicology databank.
Green Chem., 2023,25, 2170-2219
https://doi.org/10.1039/D2GC03973G

Integrating traditional ecological knowledge into a circular economy framework using the example of consumer durable goods for northern rural communities
Integrating Circular Economy (CE) principles with Traditional Ecological Knowledge (TEK) to promote equitable, sustainable and proactive materials design of consumer durable goods.
RSC Sustainability, 2025,3, 2048-2063
https://doi.org/10.1039/D4SU00623B

On thin ice – a review of multi-level governance regarding Chemicals of Emerging Arctic Concern (CEAC)
Governance of CEAC in the Arctic spans global, regional, and national levels. Strengthening coordination across levels is key to addressing CEAC risks and protecting Arctic ecosystems.
Environ. Sci.: Adv., 2025,4, 584-594
https://doi.org/10.1039/D4VA00369A

Technological and policy options for the defossilisation of chemical manufacturing
The chemical industry plays a pivotal role in modern society, providing essential products like plastics, consumer products, pharmaceuticals, speciality and agricultural chemicals.
RSC Sustainability, 2025,3, 64-80
https://doi.org/10.1039/D4SU00601A
Chemical recycling of polyester textile wastes: shifting towards sustainability
Amongst all synthetic polymers used in the clothing industry, polyethylene terephthalate (PET) is the most widely used polyester, its fibres representing half the total PET global market (in comparison bottle PET being less than a third).
Green Chem., 2024,26, 6857-6885
https://doi.org/10.1039/D4GC00911H
Biomonitoring, exposure routes and risk assessment of chlorinated paraffins in humans: a mini-review
CPs are extensively existed in human samples with increased M/S ratio. Dietary intake is the main source. The reported upper bound of EDIs may be close or exceed TDIs, thus further risk assessments are required.
Environ. Sci.: Processes Impacts, 2023,25, 1588-1603
https://doi.org/10.1039/D3EM00235G

Leveraging the bioeconomy for carbon drawdown
A review and analysis of opportunities for long-term carbon dioxide removal and storage in biomass-derived products.
Green Chem., 2023,25, 2930-2957
https://doi.org/10.1039/D2GC02483G

Decarbonization approaches for ethylene production: comparative techno-economic and life-cycle analysis
Detailed economic, environmental, and sensitivity analysis reveals decarbonization potential for ethane-based ethylene production plants.
Green Chem., 2025,27, 3655-3675
https://doi.org/10.1039/D4GC04538F

Wet wipes in untreated wastewater are a source of litter pollution to the arctic marine environment – a case study on the loads of litter and microplastics in wastewater effluents in Greenland
Wastewater outlet in Sisimiut (photo by Jakob Strand). Flushed wet wipes in addition to other macrolitter items can be observed on the nearby rocks and on the seafloor.
Environ. Sci.: Adv., 2025,4, 223-234
https://doi.org/10.1039/D4VA00233D
From waste to energy and fuel: novel CuxNiy/CN catalysts from waste melamine resin for efficient nitrate reduction to ammonia
The conversion of nitrate (NO3−) contaminants into ammonia (NH3) through electrochemical reduction presents a viable strategy for the dual purposes of wastewater purification and ammonia production.
J. Mater. Chem. A, 2025,13, 3435-3443
https://doi.org/10.1039/D4TA07666D

Emerging contaminants in the Mediterranean Sea endangering Lebanon's Palm Islands Natural Reserve
This study investigates heavy metals and phthalates in water and sediments of the Palm Islands Reserve, revealing persistent contamination, with cadmium exceeding limits. The findings underscore pollution control and environmental monitoring.
RSC Adv., 2025,15, 2034-2044
https://doi.org/10.1039/D4RA09017A

Emerging investigator series: open dumping and burning: an overlooked source of terrestrial microplastics in underserved communities
Open dumping and burning of solid waste are widely practiced in underserved communities lacking access to solid waste management facilities. The generation of microplastics from these sites has been overlooked.
Environ. Sci.: Processes Impacts, 2025,27, 52-62
https://doi.org/10.1039/D4EM00439F

From pollution to energy storage: leveraging hydrogen sulfide with SU-101 cathodes in lithium–sulfur batteries
Our approach revalorizes H2S captured by the SU-101 MOF as a cathode material in lithium–sulfur batteries.
J. Mater. Chem. A, 2024,12, 32735-32744
https://doi.org/10.1039/D4TA03620D

Toward safer and more sustainable by design biocatalytic amide-bond coupling
We describe an exploratory approach to a concept of safer and more sustainable by design in biocatalytic amide bond synthesis.
Green Chem., 2024,26, 11147-11163
https://doi.org/10.1039/D4GC03665D
Microplastics are effective carriers of bisphenol A and facilitate its escape from wastewater treatment systems
Microplastics (MPs) pollution is a major issue in aquatic environments.
Environ. Sci.: Processes Impacts, 2024,26, 1811-1820
https://doi.org/10.1039/D4EM00297K

Air pollution (PM2.5) and its meteorology predictors in Kampala and Jinja cities, in Uganda
This study contributes insights into the air quality challenges faced by two rapidly urbanising cities in Uganda and lays the groundwork for informed decision-making to protect public health and promote a sustainable environment.
Environ. Sci.: Atmos., 2024,4, 1145-1156
https://doi.org/10.1039/D4EA00074A
Multivalent cobalt nanoparticles supported on silica for efficient and sustainable methanolysis of commercial polyethylene terephthalate waste bottles
This work presents a novel pathway for methanolysis of PET waste using Co–SiO2 as catalyst.
Catal. Sci. Technol., 2024,14, 5352-5363
https://doi.org/10.1039/D4CY00468J

Advancing sustainability through supply chain legislation? A policy trilemma
This paper argues that current trade realities require a rethink of legislation addressing environmental risks through corporation's supply chains.
Environ. Sci.: Adv., 2024,3, 1317-1328
https://doi.org/10.1039/D4VA00048J
ARKA: a framework of dimensionality reduction for machine-learning classification modeling, risk assessment, and data gap-filling of sparse environmental toxicity data
A scatter plot of the data points using the values of two ARKA descriptors can potentially identify activity cliffs, less confident data points, and less modelable data points.
Environ. Sci.: Processes Impacts, 2024,26, 991-1007
https://doi.org/10.1039/D4EM00173G
Interaction of disposable face mask (nano)microplastics with antibiotics: performance and mechanisms
The adsorption of ciprofloxacin (CIP), sulfamethoxazole (SMX) and tetracycline (TC) on disposable face mask (nano-)microplastics occurs in the order SMX > CIP > TC, which correlates with the octanol–water partition coefficient of antibiotics.
Environ. Sci.: Nano, 2024,11, 2217-2228
https://doi.org/10.1039/D3EN00775H
Ecotoxicological risk assessment of pesticides against different aquatic and terrestrial species: using mechanistic QSTR and iQSTTR modelling approaches to fill the toxicity data gap
The toxicity prediction for newly designed or untested pesticides will reduce unnecessary chemical synthesis and animal testing, and contribute to the design of “greener and safer” pesticide chemicals.
Green Chem., 2024,26, 839-856
https://doi.org/10.1039/D3GC03109H
Balancing functional properties and environmental impact of graphitic carbon nitride: a case study on boron doping syntheses
Graphitic carbon nitride (g-CN) catalyzes various energy and environmental applications. Evaluating physicochemical properties and sustainability metrics presents valuable insights into designing minimally impactful, high-performing g-CN materials.
Environ. Sci.: Nano, 2024,11, 78-90
https://doi.org/10.1039/D3EN00633F

An actionable definition and criteria for “sustainable chemistry” based on literature review and a global multisectoral stakeholder working group
Sustainable chemistry is the development and application of chemicals, chemical processes, and products that benefit current and future generations without harmful impacts to humans or ecosystems.
RSC Sustainability, 2023,1, 2092-2106
https://doi.org/10.1039/D3SU00217A

Added value of the emissions fractions approach when assessing a chemical's potential for adverse effects as a result of long-range transport
The utility of the emission fractions approach is explored in the context of the Stockholm Convention on POPs.
Environ. Sci.: Adv., 2023,2, 1360-1371
https://doi.org/10.1039/D3VA00189J
Prediction of organic groundwater contaminant degradation during medium pressure UV/NO3− treatment
This work provides for the first time simple metrics and a decision tree to predict the degradability of contaminants during UV/NO3− groundwater treatment.
Environ. Sci.: Water Res. Technol., 2023,9, 2275-2282
https://doi.org/10.1039/D3EW00102D

Environmental profile of the production of fragrance ingredients used in cosmetic products: comparative analysis of results obtained by life cycle assessment and the green chemistry-based eco-design tool GREEN MOTION™
Environmental footprint evaluation of representative fragrance ingredients combining 2 complementary methodologies in the aim of providing a new method to eco-design fragrances, which are materials found in many commercialized daily-life products.
Green Chem., 2023,25, 6365-6382
https://doi.org/10.1039/D2GC04860D

Recycling process development with integrated life cycle assessment – a case study on oxygen transport membrane material
Integrated life cycle assessment and chemical process development was conducted. The recycling process delivers material with primary-like properties and reduced environmental impact.
Green Chem., 2023,25, 4735-4749
https://doi.org/10.1039/D3GC00391D
About this collection
Since 2017, the Royal Society of Chemistry has been campaigning for the United Nations Science Policy Panel (UN SPP) on Chemicals, Waste and Pollution Prevention to be established. We are at an exciting point in the journey: this milestone has almost been reached.
For now, we want to celebrate the influential researchers who are tackling chemical and global waste management with their work. Their efforts are helping to save millions of lives around the world. You can discover their incredible research in this special collection.