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Special Issues
Clean Technologies publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process.
The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.
Recovery of Bioactive Compounds from Waste and By-Products
Deadline: 20 July 2026
Nature-Based Solutions for Water Reuse and Contaminant Reduction
Deadline: 30 June 2026
Life Cycle Thinking in the Era of Digitalization and Artificial Intelligence: Implications for Green Energy and Sustainability
Deadline: 30 June 2026
Application of Life Cycle Assessment (LCA) in Environmental Sustainability
Deadline: 31 May 2026
Green Solvents and Materials for CO2 Capture
Deadline: 20 May 2026
Innovative Approaches to Sustainable Design, Recovery, and Circular Management of Solid Waste
Deadline: 30 April 2026
Clean Energy Technologies for Decarbonization and Environmental Sustainability
Deadline: 30 April 2026
Multidisciplinary Applications of Life Cycle Assessment (LCA) in the Development, Optimization, and Validation of Sustainable Solutions
Deadline: 31 March 2026
Selected Papers from Circular Materials Conference 2025
Deadline: 17 March 2026
Pollutant Removal from Aqueous Solutions by Adsorptive Biomaterials
Deadline: 28 February 2026
Valorization of Agrifood By-Products and Innovation in Sustainable Biological Resources
Deadline: 28 February 2026
Carbon Neutrality and Renewable Energy Technologies: Opportunities and Challenges
Deadline: 31 January 2026
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