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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.

Open for Submission

Recovery of Bioactive Compounds from Waste and By-Products

Guest Editors: Ana Dobrinčić, Sabino De Gisi
2 articles | Viewed by 5,229

Deadline: 20 July 2026

Open for Submission

Nature-Based Solutions for Water Reuse and Contaminant Reduction

Guest Editors: Cristina Valhondo González, Lurdes Martinez-Landa, Montserrat Folch
3 articles | Viewed by 7,931

Deadline: 30 June 2026

Open for Submission

Life Cycle Thinking in the Era of Digitalization and Artificial Intelligence: Implications for Green Energy and Sustainability

Guest Editor: Dimitrios Sotirios Kourkoumpas
Viewed by 76

Deadline: 30 June 2026

Open for Submission

Application of Life Cycle Assessment (LCA) in Environmental Sustainability

Guest Editor: Andrea Mio
Viewed by 237

Deadline: 31 May 2026

Open for Submission

Green Solvents and Materials for CO2 Capture

Guest Editors: Giuseppina Vanga, Claudia Bassano
3 articles | Viewed by 6,151

Deadline: 20 May 2026

Open for Submission

Innovative Approaches to Sustainable Design, Recovery, and Circular Management of Solid Waste

Guest Editors: José Hidalgo-Crespo, Nicolas Maranzana
4 articles | Viewed by 5,842

Deadline: 30 April 2026

Open for Submission

Clean Energy Technologies for Decarbonization and Environmental Sustainability

Guest Editor: Denitza Zgureva
2 articles | Viewed by 2,817

Deadline: 30 April 2026

Open for Submission

Multidisciplinary Applications of Life Cycle Assessment (LCA) in the Development, Optimization, and Validation of Sustainable Solutions

Guest Editors: Joana Pesqueira, Inmaculada Velo-Gala, Ana B. López
1 article | Viewed by 656

Deadline: 31 March 2026

Open for Submission

Selected Papers from Circular Materials Conference 2025

Guest Editors: Chuan Wang, Burçak Ebin, Martina Petranikova
Viewed by 358

Deadline: 17 March 2026

Open for Submission

Pollutant Removal from Aqueous Solutions by Adsorptive Biomaterials

Guest Editors: Andreea Bondarev, Sonia Mihai
5 articles | Viewed by 17,877

Deadline: 28 February 2026

Open for Submission

Valorization of Agrifood By-Products and Innovation in Sustainable Biological Resources

Guest Editors: Germana Borsetta, Andrea Zovi
Viewed by 805

Deadline: 28 February 2026

Open for Submission

Carbon Neutrality and Renewable Energy Technologies: Opportunities and Challenges

Guest Editors: Shunde Yin, Ozge Yuksel Orhan, Paitoon Tontiwachwuthikul
2 articles | Viewed by 3,564

Deadline: 31 January 2026

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Clean Technol. - ISSN 2571-8797