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1 October 2025
2024 MDPI Top 1000 Reviewers
14 October 2025
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2 October 2025
MDPI INSIGHTS: The CEO's Letter #27 - OASPA 2025, COUNTER 5.1, UK Summit in London, MDPI at the Italian Senate
Welcome to the MDPI Insights: The CEO's Letter.
In these monthly letters, I will showcase two key aspects of our work at MDPI: our commitment to empowering researchers and our determination to facilitating open scientific exchange.
Opening Thoughts
MDPI at OASPA 2025: Embracing the Complexity of Open Access
From 22 to 24 September, I joined the OASPA 2025 Annual Conference in Leuven, Belgium, where the theme, “Embracing the Complexity – How do we get to 100% Open Access?” tackled the hard questions about the future of scholarly communication.
With MDPI a longstanding member of the Open Access Scholarly Publishing Association (OASPA) and Platinum sponsor of the conference, I was invited to present and participate in important discussions on how we can continue to move the needle in Open Access (OA) publishing.
From 50% to 100% Open Access
Last year’s OASPA conference celebrated a major milestone – reaching 50% of global research outputs published as OA. But, as noted during the conference, this was the “easy” part. The challenge ahead is much tougher: how do we take OA from 50% to 100%? For many academics and institutions, OA is still relatively new, and thus it is essential for us to continue educating people as to what OA is, how it works, and why it matters.
Stefan Tochev (CEO, MDPI) presenting at OASPA’s 2025 Annual Conference in Leuven, Belgium.
MDPI’s perspective
At MDPI, we are fully committed to this. As a 100% OA publisher, our growth is inseparable from the success of OA itself. In many ways, MDPI is a byproduct of the global adoption of OA, and we play an important role in helping to advance it further.
I had the opportunity to share MDPI’s perspective in the panel discussion entitled: "Hello from the other side: views from fully Open Access journals using APCs," alongside industry colleagues from PLOS, eLife, AOSIS, and Frontiers.
Instead of giving a standard presentation, I highlighted aspects of MDPI that the audience might not be aware of. I also presented on the opportunities and challenges facing publishers that are already fully OA, the importance of diverse models in achieving 100% OA, and why OA is the baseline while Open Science is the future.
Recognizing Gold OA
As part of the panel, I had undertaken to make some bold and provocative statements. I therefore emphasized a point that is sometimes overlooked: we didn’t reach 50% OA without Gold OA – it accounts for more than half of all OA publications today. And we certainly won’t reach 100% OA without it.
“By educating the community and working together, we can continue to take Open Science to the next level”
“When people speak about Gold OA and MDPI, they should ‘put some respek on our name.”
MDPI is a leader in Gold OA and has been a driver of this progress at scale.
While Gold OA and MDPI are sometimes slighted, both deserve recognition for their contributions to advancing Open Science globally.
I closed my presentation with a reminder that the good we do is sometimes overlooked, and that when people speak about Gold OA and MDPI, they should "put some respek on our name."
I’m pleased to have seen attendees sharing positive experiences with MDPI, reminding us that we bring real value to the OA movement and deserve a stronger reputation. We also engaged in constructive conversations about various topics, including cost transparency.
A few themes that I took away from the conference:
- Quality and integrity matter as much as access. OA publishers must not lose sight of research integrity, inclusivity, and sustainability while pursuing 100% OA.
- Global collaboration is essential. Policies, funding models, and infrastructure differ around the world, and we will need cross-border collaboration to make OA a truly global reality.
- Open Science is the bigger story. OA is just the first step – the future lies in open data, open peer review, research reproducibility, etc.
“MDPI’s scale allows us to better support authors, reinvest in communities, and push Open Science forward”
How we communicate MDPI’s role
For us at MDPI, this is also a reminder of how we communicate externally. When we tell our story, we shouldn’t forget to start with the bigger picture – Open Science and Open Access. Then we connect it to MDPI, our journals, services, and initiatives, exemplifying the fact that we are part of a mission larger than ourselves.
MDPI colleagues Clàudia Aunós (Society Partnerships), Marta Colomer (External Affairs), Stefan Tochev (CEO), and Nikola Paunovic (Scilit), at OASPA’s 2025 Annual Conference in Leuven, Belgium.
The journey to 100% OA will not be simple. But by educating the community and working together, we can continue to take Open Science to the next level.
Impactful Research
MDPI becomes COUNTER 5.1 compliant across 480+ Journals
I’m pleased to share that MDPI has officially become COUNTER 5.1 compliant and has joined the COUNTER Registry.
For those who might not be familiar with it, COUNTER provides international standards for tracking and reporting how research is being used. By becoming COUNTER 5.1 compliant, MDPI can now deliver credible, comparable, and transparent usage reports across our entire journal portfolio.
“MDPI is showing that they want to be measured against the same yardstick as other publishers”
Why is this important?
Because usage statistics aren’t just numbers: they’re powerful tools that help our authors, institutions, and consortia understand the real impact of their research. With COUNTER compliant reports, our institutional partners can now make more informed decisions about publishing agreements, funding allocations, and the long-term value of Open Access.
In practical terms, MDPI will now provide Platform, Title, and Item Reports, with standardized usage views available at the institute and consortium level. These reports cover usage from January 2024 onwards and will be updated monthly. Institutions will be able to access them via SuSy, or automatically through the COUNTER API.
I’d like to highlight and thank Becky Castellon, our Institutional Partnerships Manager, who has played a key role in driving this project forward. Becky captured it perfectly when she said: "Through these usage reports, our global research community can access trustworthy data about how their work is being used and accessed
This information is often vital for reviewing publishing partnership agreements and for making informed decisions about future funding allocations."
We also received encouraging feedback from Tasha Mellins-Cohen, Executive Director at COUNTER Metrics:
"We’re delighted to see born-OA publishers engaging with COUNTER. Our normalised usage metrics are relied on as the basis for credible return-on-investment calculations by libraries worldwide. By adopting the COUNTER standard, MDPI is showing that they want to be measured against the same yardstick as other publishers."
For MDPI, this milestone is another step in our commitment to transparency, trust, and impact. By adopting COUNTER’s standards, we’re not just aligning with best practice; we’re ensuring that Open Access publishing is measured on the same terms as traditional publishing, proving its value in concrete and globally recognized ways.
This is an important milestone for MDPI, but more importantly for the researchers, librarians, and institutions we serve. Transparency builds trust, and COUNTER compliance helps us show the global reach and influence of Open Access publishing in the clearest way possible.
Inside Research
Lin Li (Publisher, MDPI), Stefan Tochev (CEO, MDPI, Prof. Chengkuo Lee (Editor-in-Chief, AI Sensors), and Constanze Schelhorn (Head of Indexing) at restaurant in Basel, Switzerland.
Welcoming Prof. Lee (EiC of AI Sensors) to Basel
On 11 September, we welcomed Prof. Dr. Chengkuo Lee, Editor-in-Chief of our new journal AI Sensors, to our Basel office. Prof. Lee is a high profiled researcher (h-index 104, 37,000+ citations), a longtime collaborator with MDPI (25 published articles), and has already chaired several AI Sensors (AIS)-related conferences with us, including the recent event in Kuala Lumpur, where AI Sensors held its first editorial board meeting.
Stefan Tochev (CEO, MDPI) showing Special Issue reprint books as part of a tour of MDPI’s Basel office.
Every journal has a story
During his visit, we exchanged ideas on how to build the journal’s identity and impact. A key takeaway that I shared was that every journal has a story: its vision, its purpose, and the community it brings together.
That story is what connects with readers and authors, beyond metrics alone.
I encouraged everyone working on journals to reflect: What is the story of your journal? And how can you bring that story to the forefront in how you communicate about it?
How MDPI supports new journals
Constanze Schelhorn (Head of Indexing, MDPI) presenting on the MDPI indexing process at the company’s headquarters in Basel.
We also shared with Prof. Lee how MDPI supports journals through our Institutional Open Access Program, indexing expertise, and the work of our Journal Relationship Specialists.
Launching a new journal is ambitious, but with our strong track record (93% Scopus and 87% Web of Science acceptance rates in 2024), Prof. Lee felt confident that AI Sensors will find its place in the scholarly landscape.
Having spent some hours together, it’s clear that Prof. Lee is not only an Editor-in-Chief but also an ambassador for MDPI. His leadership and collaboration reflect the mission MDPI by which MDPI lives: accelerating Open Access and advancing Open Science.
Special thanks to Constanze Schelhorn (Head of Indexing), Ting Leng (JRS, Managing Editor, AI Sensors), Lin Li (Publisher, AI Sensors), Aimar Xiong (Publisher), and Christian Eberhard (Office Administrator, Basel), for organizing and hosting the meeting.
Coming Together for Science
Highlights from the MDPI UK Summit in London
I was pleased to be back in the UK in September, supporting our Manchester team in hosting their first MDPI Summit in London. This day-and-a-half private event brought together 25 Chief Editors and Associate Editors to exchange knowledge, learn about latest developments at MDPI, and engage in discussions on advancing Open Science. The program included MDPI and guest presentations, and Q&A sessions.
Why these summits matter
Our Summits provide a platform to:
- Share updates on the latest developments at MDPI, our editorial processes, research integrity practices, and indexing.
- Highlight collaborations with institutions and societies in the region.
- Offer external perspectives from guest speakers.
- Create space for Chief Editors to share their insights, ask questions, network, and help shape MDPI’s path forward.
These gatherings are more than updates: they improve our relationships with Chief Editors, who serve not only as leaders of their journals but also as ambassadors for MDPI within the research community. We often hear that this type of event is unique, something many other publishers do not provide. It shows that we care and are willing to go the extra mile to recognize and engage our key collaborators.
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MDPI and the UK: Key facts
- With over 80,000 publications, the UK is MDPI’s eighth-largest contributor.
- MDPI is the fourth-largest publisher in the UK, accounting for 11% of the country’s 89,526 Open Access publications in 2024.
- We collaborate with more than 4,000 active UK Editorial Board Members, 48% of whom have an H-index above 26. This includes 49 Editors-in-Chief and 74 Section Editors-in-Chief.
- MDPI maintains over 1,000 IOAP agreements worldwide, with 63 from the UK.
“We are willing to go the extra mile to recognize and engage our key collaborators”
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Agenda highlights:
- MDPI Overview, Open Access, and UK Collaboration – Stefan Tochev (CEO, MDPI)
- MDPI Editorial Process – Dr. Michael O’Sullivan (Scientific Quality Advisor Lead, MDPI)
- Research Integrity and Publication Ethics – Daisy Fenton (Research Integrity Specialist, MDPI)
- Institutional Partnerships – Becky Castellon (Institutional Partnerships Manager, MDPI)
- Promoting and Developing Your Journal – Prof. Fabio Tosti (Editor-in-Chief of NDT)
- Indexing to Impact – Dr. Michael O’Sullivan (Scientific Quality Advisor Lead, MDPI)
- Engaging our Academic Community – Jaime Anderson Anderson (UK Operations Manager, MDPI)
- Closing Remarks – Stefan Tochev (CEO, MDPI)
MDPI colleagues Stefan Tochev (CEO), Jaime Anderson Anderson (UK Operations Manager), Dr. Michael O’Sullivan (Scientific Quality Advisor Lead), Becky Castellon (Institutional Partnerships Manager), Daisy Fenton (Research Integrity Specialist) at the MDPI UK 2025 Summit in London.
Thank you!
A special thank-you to the Manchester team and all colleagues behind the scenes who made this Summit a success. Your efforts are greatly appreciated. We look forward to building on this momentum with future Summits in Europe and beyond.
Closing Thoughts
Dr. Giulia Stefenelli (Scientific Communications Lead, MDPI) and Stefan Tochev (CEO, MDPI) participating in a press conference at the Italiane Senate in Rome to promote the 2nd International Conference on Environmental Medicine (ICEM)
MDPI at the Italian Senate: Promoting Environmental Medicine and Open Science
On 16 September, Dr. Giulia Stefenelli (Scientific Communications Lead) and I had the honour of participating in a press conference at the Italian Senate in Rome, organized by the Italian Society of Environmental Medicine (SIMA) to promote the upcoming 2nd International Conference on Environmental Medicine (ICEM) (20–21 November 2025).
This is an important event for MDPI, as we are the exclusive publishing partner for ICEM and have recently launched a new journal with SIMA, further building our presence both in Italy and within this important field of research.
Why this matters
- The promotion of ICEM has received extensive national media coverage (more than 15 mentions in major Italian outlets; see links below).
- The press conference brought together leading policymakers, academics, and Nobel Laureates to emphasize the impact of environmental exposures and epigenetics on human health.
- We were introduced to government ministries, university rectors, and influential stakeholders, which helps us bolster MDPI’s visibility and reputation in Italy.
Highlights
Nobel Laureate Sir Richard Roberts joined the discussion, underlining the importance of environmental medicine in shaping future health outcomes. Nobel Laureate Prof. Dr. Tong Zhu (Peking University) will also speak at the November conference.
Institutional representatives included the Italian Minister of the Environment and Energy Security, the Italian Undersecretary for Health, and senior officials from the World Health Organization.
In my closing remarks, I highlighted that:
“Over the past five years, about 65% of research published in Italy has been Open Access, compared to an average of 55% worldwide.”
Italian research ranked seventh among the top 20 countries in average citations during this period, reflecting its strong international influence. Not only is Italy producing a high volume of research; it is also producing research of outstanding quality.
MDPI’s role
This event was not only about promoting ICEM but also about showcasing MDPI’s commitment to Open Access and our ability to connect scientific publishing with leading academic, medical, and policy institutions.
As Giulia Stefenelli noted:
“This event was highly relevant for MDPI, as it not only showcased our strong commitment to OA but also emphasized our role in advancing important fields such as Environmental Medicine.”
Learn more
- Watch the full press conference (Radio Radicale)
- Giulia’s speech: 33:20 (in Italian)
- Stefan’s speech: 57:50 (in English)
- ICEM 2025 Conference Program
- Selected media coverage:
This moment at the Italian Senate shows how MDPI can connect publishing with science, policy, and society to help advance both Open Science and environmental health research on a global stage.
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In Rome with Sir Richard Roberts (photo left) and Prof. Giuseppe Novelli (EiC of MDPI journal COVID).
Chief Executive Officer
MDPI AG
30 September 2025
Nobel Prize — The Science Behind the Prize
Nobel Prizes are the world’s most prestigious recognition of scientific breakthroughs, honoring discoveries that push the boundaries of knowledge and reshape entire fields. They bring into the public eye researchers whose work might otherwise remain known only within specialized circles.
For many, winning a Nobel Prize is a surreal experience. Laureates often describe a mix of joy, humility, reflection, and gratitude for the teams and collaborators whose contributions made the achievement possible. Behind every Nobel-winning idea lies years of careful, incremental work—a process that often goes unseen.
When Prof. Steven Weinberg won the Nobel Prize in Physics in October 1979, his wife Louise, a legal scholar, reminded him to keep doing the ordinary hard work of science, joking: “Now you have to write some unimportant papers.” True to form, Weinberg continued to push the boundaries of our understanding of the Universe, showing that curiosity and dedication extend far beyond the moment of recognition (Hofmann 2025: https://www.mdpi.com/2073-8994/17/6/840).
Discover the science behind the world’s most transformative ideas
Over the years, dozens of Nobel laureates have published their work with MDPI, entrusting our open access journals to disseminate their findings to a global audience. As of 2024, more than 40 laureates have contributed over 115 articles across 35 journals, ranging from pioneering research on microRNAs and mRNA therapeutics, to fundamental insights in theoretical physics, and advances in structural biology.
We regularly spotlight how Nobel Prize–winning research intersects with the contributions of our authors. This not only celebrates the achievements of the laureates, but also underscores the role of open access in ensuring that transformative science reaches the widest possible audience.
On this page, we invite you to explore selected works by Nobel laureates within the MDPI portfolio, and to join us in celebrating the global impact of their ideas.
The Nobel Prize in Physiology or Medicine 2025 will be announced on October 6 at 11:30 am CEST (at the earliest), awarded by the Nobel Assembly at Karolinska Institutet, Stockholm, Sweden. MDPI sincerely invites you to explore research in a related field.
The Science Behind the Prize: 2025 Nobel Physiology or Medicine Roundtable
6 October 2025, 03:30 pm (CEST)
Free to register for this webinar here!
The Nobel Prize in Physics 2025 will be announced on October 7 at 11:45 am CEST (at the earliest), awarded by the Royal Swedish Academy of Sciences, Stockholm, Sweden. MDPI sincerely invites you to explore research in a related field.
The Science Behind the Prize: 2025 Nobel Physics Roundtable
7 October 2025, 02:30 pm (CEST)
Free to register for this webinar here!
The Nobel Prize in Chemistry 2025 will be announced on October 8 at 11:45 am CEST (at the earliest), awarded by the Royal Swedish Academy of Sciences, Stockholm, Sweden. MDPI sincerely invites you to explore research in a related field.
28 September 2025
Meet Us at the 2025 SAF National Convention, 22–25 October 2025, Hartford, USA
17 September 2025
World Maritime Day—“Our Ocean, Our Obligation, Our Opportunity”, 25 September 2025
World Maritime Day, celebrated annually on 25 September, underscores the vital role of the ocean in sustaining life, supporting livelihoods, and enabling global trade. The 2025 theme, “Our Ocean, Our Obligation, Our Opportunity”, highlights both the immense value of the ocean and the urgent responsibility to address threats such as pollution, overuse, and climate change. In an era where the health of the ocean is closely tied to food security, climate stability, and economic progress, safeguarding marine resources is essential for achieving the Sustainable Development Goals (SDGs).
In recognition of World Maritime Day, MDPI highlights the importance of advancing sustainable ocean management, promoting cleaner maritime practices, and protecting marine biodiversity. Through open access publishing, MDPI ensures that research on ocean sustainability, marine ecosystems, and climate resilience is widely accessible to scientists, policymakers, and global communities. By fostering knowledge exchange and supporting interdisciplinary collaboration, MDPI contributes to the global effort to safeguard the ocean and promote a sustainable, resilient future.
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“Identification of Risk Patterns by Type of Ship Through Correspondence Analysis of Port State Control: A Differentiated Approach to Inspection to Enhance Maritime Safety and Pollution Prevention”
by Jose Manuel Prieto, David Almorza, Víctor Amor-Esteban, Juan J. Muñoz-Perez and Bismarck Jigena-Antelo
Oceans 2025, 6(1), 15; https://doi.org/10.3390/oceans6010015
“Dancing Towards the End—Ecological Oscillations in Mediterranean Coral Reefs Prior to the Messinian Salinity Crisis (Calcare di Rosignano Formation, Acquabona, Tuscany, Italy)”
by Giovanni Coletti, Alberto Vimercati, Francesca R. Bosellini, Alberto Collareta, Giulia Bosio, Adriano Guido, Alessandro Vescogni, Daniela Basso and Or M. Bialik
Geosciences 2024, 14(11), 285; https://doi.org/10.3390/geosciences14110285
“Revolutionizing Ocean Cleanup: A Portuguese Case Study with Unmanned Vehicles Fighting Spills”
by Nuno Pessanha Santos, Ricardo Moura, Teresa Lourenço Antunes and Victor Lobo
Environments 2024, 11(10), 224; https://doi.org/10.3390/environments11100224
“Numerical Modeling of Extreme Sea Levels on the Laptev Sea Coast”
by Mikhail E. Kulikov, Victor S. Arkhipkin, Igor P. Medvedev, Sergey A. Kovachev and Artem A. Krylov
Geosciences 2024, 14(9), 245; https://doi.org/10.3390/geosciences14090245
“Nitrogen and Phosphorus Discharges from Cargo Ships’ Black and Grey Waters—A Case Study of a Baltic Sea Port”
by Suvi-Tuuli Lappalainen, Ulla Tapaninen and Jonne Kotta
Oceans 2024, 5(3), 560-570; https://doi.org/10.3390/oceans5030032
“Evaluation of the Effects of Environmental Factors on Seasonal Variations in Fish Diversity on a Coastal Island in Western Japan”
by Nguyen Hong Nhat, Mitsuyo Saito, Mayuko Hamada and Shin-ichi Onodera
Environments 2024, 11(3), 60; https://doi.org/10.3390/environments11030060
“Exploring the Intricate Connections between the Influence of Fishing on Marine Biodiversity and Their Delivery of Ecological Services Driven by Different Management Frameworks”
by Paloma Alcorlo, Susana García-Tiscar, María Rosario Vidal-Abarca, María Luisa Suárez-Alonso, Lucía Checa and Iratxe Díaz
Coasts 2024, 4(1), 168-197; https://doi.org/10.3390/coasts4010010
“A Statistical Analysis of Ship Accidents (1990–2020) Focusing on Collision, Grounding, Hull Failure, and Resulting Hull Damage”
by Aggelos N. Pilatis, Dimitrios-Nikolaos Pagonis, Michael Serris, Sofia Peppa and Grigoris Kaltsas
J. Mar. Sci. Eng. 2024, 12(1), 122; https://doi.org/10.3390/jmse12010122
“Digital Twin in the Maritime Domain: A Review and Emerging Trends”
by Nuwan Sri Madusanka, Yijie Fan, Shaolong Yang and Xianbo Xiang
J. Mar. Sci. Eng. 2023, 11(5), 1021; https://doi.org/10.3390/jmse11051021
“Mapping Social-Ecological-Oriented Dried Fish Value Chain: Evidence from Coastal Communities of Odisha and West Bengal in India”
by Sisir Kanta Pradhan, Prateep Kumar Nayak and C. Emdad Haque
Coasts 2023, 3(1), 45-73; https://doi.org/10.3390/coasts3010004
| “Ecological Restoration in Marine Environments” Guest Editors: Dr. Federica Cacciatore and Dr. Rossella Boscolo Brusà Deadline for submissions: 20 December 2025  |
“Remote Sensing and Machine Learning Applications in Coastal Regions” Guest Editor: Dr. Andrew Martin Fischer Deadline for submissions: 31 December 2025  |
| “Smart Seaport and Maritime Transport Management, Second Edition” Guest Editors: Dr. Lingxiao Wu and Prof. Dr. Shuaian Wang Deadline for submissions: 25 January 2026 |
“Advancements in Marine Geology: Underwater Exploration and Geophysical Insights” Guest Editors: Dr. Filippo Muccini, Dr. Luca Cocchi and Dr. Camilla Palmiotto Deadline for submissions: 1 June 2026 |
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16 September 2025
MDPI Webinar | International Day for the Preservation of the Ozone Layer, 16 September 2025
We are pleased to invite you to join us as at MDPI’s upcoming International Day for the Preservation of the Ozone Layer webinar, which will be held on 16 September 2025. This event aims to raise awareness about the importance of the ozone layer and the Montreal Protocol in protecting life on Earth.
The theme of the webinar, “From science to global action”, aims to highlight the vital role of science in raising global awareness of emerging issues. Forty years ago, the Vienna Convention was adopted as a result of growing concerns raised by the scientific community about the potentially catastrophic impact of the proliferation of chlorofluorocarbons on the ozone layer. With the Montreal Protocol adopted two years later, international leaders agreed on global action to phase out ozone-damaging chlorofluorocarbons.
Date: 16 September 2025 at 4:00 p.m. CEST | 10:00 a.m. EDT
Webinar ID: 845 1164 6086
Webinar webpage: https://sciforum.net/event/IDPOL-2
Register now for free!
Program:
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Speaker |
Presentation Title |
Time in CEST |
Time in EDT |
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Introduction |
4:00–4:10 p.m. |
10:00–10:10 a.m. |
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Dr. Eugene Rozanov |
40 Years with the “Ozone Hole”: What's in the Future? |
4:10–4:30 p.m. |
10:10–10:30 a.m. |
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Dr. Kostas Eleftheratos |
The Importance of Monitoring the Ozone Layer and its Recovery |
4:30–4:50 p.m. |
10:30–10:50 a.m. |
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Dr. Pasquale Avino |
TBD |
4:50–5:10 p.m. |
10:50–11:10 a.m. |
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Q&A Session |
5:10–5:25 p.m. |
11:10–11:25 a.m. |
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Closing of Webinar |
5:25–5:30 p.m. |
11:25–11:30 a.m. |
After registering, you will receive a confirmation email containing information on how to join the webinar. Registrations with academic institutional email addresses will be prioritized.
Unable to attend? Register anyway and we’ll let you know when the recording is available to watch.
Webinar Speakers:
- Dr. Eugene Rozanov, PMOD/WRC, Davos, Switzerland;
- Dr. Kostas Eleftheratos, Department of Geology and Geoenvironment, National and Kapodistrian University of Athens, Greece.
- Dr.Pasquale Avino, Department of Agricultural, Environmental and Food Sciences (DiAAA), University of Molise
Relevant Special Issues:
“Ozone Evolution in the Past and Future (2nd Edition)”
Guest Editor: Eugene Rozanov
Deadline for manuscript submissions: 20 November 2025
Submit to Atmosphere
“Outdoor and Indoor Air Ions, Radon, and Ozone”
Guest Editors: Predrag M. Kolarž and Igor T. Čeliković
Deadline for manuscript submissions: 15 October 2025
Submit to Atmosphere
“Satellite Observations for Particulate Matter and Gaseous Pollutants Research”
Guest Editors: Zhengqiang Li, Jintai Lin, Cheng Chen and Yan Yu
Deadline for manuscript submissions: 31 December 2025
Submit to Remote Sensing
“Advances in Air Pollution Detection and Air Quality Research”
Guest Editors: Mihaela Tinca Udriștioiu, Silvia Puiu and Liliana Velea
Deadline for manuscript submissions: 20 March 2026
Submit to Applied Sciences
“Aerosol Measurement, Properties and Its Impacts”
Guest Editors: Tymon Zielinski and Luca Ferrero
Deadline for manuscript submissions: 20 February 2026
Submit to Applied Sciences
Relevant Feature Papers:
“Signs of Slowing Recovery of Antarctic Ozone Hole in Recent Late Winter–Early Spring Seasons (2020–2023)”
by Janusz Krzyścin and Agnieszka Czerwińska
Atmosphere 2024, 15(1), 80; https://doi.org/10.3390/atmos15010080
“Calibration and Validation of NOAA-21 Ozone Mapping and Profiler Suite (OMPS) Nadir Mapper Sensor Data Record Data”
by Banghua Yan, Trevor Beck, Junye Chen, Steven Buckner, Xin Jin, Ding Liang, Sirish Uprety, Jingfeng Huang, Lawrence E. Flynn, Likun Wang, Quanhua Liu and Warren D. Porter
Remote Sens. 2024, 16(23), 4488; https://doi.org/10.3390/rs16234488
“Accuracy Evaluation of Differential Absorption Lidar for Ozone Detection and Intercomparisons with Other Instruments”
by Guangqiang Fan, Bowen Zhang, Tianshu Zhang, Yibin Fu, Chenglei Pei, Shengrong Lou, Xiaobing Li, Zhenyi Chen and Wenqing Liu
Remote Sens. 2024, 16(13), 2369; https://doi.org/10.3390/rs16132369
“Long-Term Changes of Positive Anomalies of Erythema-Effective UV Irradiance Associated with Low Ozone Events in Germany 1983–2019”
by Gudrun Laschewski and Andreas Matzarakis
Environments 2023, 10(2), 31; https://doi.org/10.3390/environments10020031
“Random Forest Spatial-Temporal and State Space Models to Assess the Impact of Bushfire-Induced Aerosol Events on Ozone Depletion in Australia”
by Irene Hudson, Phillip Pedro-Suvorov and Servet Kocak
Appl. Sci. 2024, 14(21), 9825; https://doi.org/10.3390/app14219825
16 September 2025
International Day for the Preservation of the Ozone Layer—“From Science to Global Action”, 16 September 2025
On this International Day for the Preservation of the Ozone Layer, we are reminded of a critical environmental threat that humanity uncovered and collectively chose to address: the damage to our planet's protective ozone shield. Scientific research revealed that several commonly used industrial chemicals are responsible for this deterioration. These substances, known as halocarbons, contain carbon atoms linked to highly reactive halogen atoms such as chlorine and bromine. It was discovered that when released into the atmosphere, these chemicals undertake a destructive journey to the stratosphere, where they catalyze the breakdown of ozone molecules, with bromine-containing compounds posing a particularly severe threat due to their significantly higher ozone-depleting potential (ODP).
This global cooperation stands as a major milestone in healing the ozone layer, combating climate change, and protecting ecosystems. Let us join hands to honor this International Day for the Preservation of the Ozone Layer and strengthen our shared commitment to safeguarding our planet.
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Webinar webpage: https://sciforum.net/event/IDPOL-2
Keynote Speakers:
 Dr. Eugene Rozanov, Saint Petersburg State University, Russia |
 Dr. Kostas Eleftheratos, Kapodistrian University of Athens, Greece |
“Differential Responses of Tree Species to Elevated Ozone and Increasing Air Temperature: Implications for Foliar Functional Traits, Carbon Sequestration, and Their Relationship Under Mixed Planting”
by Ruiting Wang, Sheng Xu, Qin Ping, Kexin Li, Kexin Gao and Xingyuan He
Forests 2024, 15(12), 2183; https://doi.org/10.3390/f15122183
“Random Forest Spatial-Temporal and State Space Models to Assess the Impact of Bushfire-Induced Aerosol Events on Ozone Depletion in Australia”
by Irene Hudson, Phillip Pedro-Suvorov and Servet Kocak
Appl. Sci. 2024, 14(21), 9825; https://doi.org/10.3390/app14219825
“Turbulent Energy and Carbon Fluxes in an Andean Montane Forest—Energy Balance and Heat Storage”
by Charuta Murkute, Mostafa Sayeed, Franz Pucha-Cofrep, Galo Carrillo-Rojas, Jürgen Homeier, Oliver Limberger, Andreas Fries, Jörg Bendix and Katja Trachte
Forests 2024, 15(10), 1828; https://doi.org/10.3390/f15101828
“Impact of Air Conditioning Type on Outdoor Ozone Intrusion into Homes in a Semi-Arid Climate”
by James D. Johnston, Seth Van Roosendaal, Joseph West, Hanyong Jung and Darrell Sonntag
Environments 2024, 11(10), 219; https://doi.org/10.3390/environments11100219
“Statistical Evaluation of NO2 Emissions in Mashhad City Using Cisco Network Model”
by Mohammad Gheibi and Reza Moezzi
Gases 2024, 4(3), 273-294; https://doi.org/10.3390/gases4030016
“Enhancing Air-Quality Predictions on University Campuses: A Machine-Learning Approach to PM2.5 Forecasting at the University of Petroșani”
by Fabian Arun Panaite, Cosmin Rus, Monica Leba, Andreea Cristina Ionica and Michael Windisch
Sustainability 2024, 16(17), 7854; https://doi.org/10.3390/su16177854
“Accuracy Evaluation of Differential Absorption Lidar for Ozone Detection and Intercomparisons with Other Instruments”
by Guangqiang Fan, Bowen Zhang, Tianshu Zhang, Yibin Fu, Chenglei Pei, Shengrong Lou, Xiaobing Li, Zhenyi Chen and Wenqing Liu
Remote Sens. 2024, 16(13), 2369; https://doi.org/10.3390/rs16132369
“Evaluating the Influence of Urban Blocks on Air Pollution Concentration Levels: The Case Study of Golden Lane Estate in London”
by Mehrdad Borna, Giulia Turci, Marco Marchetti and Rosa Schiano-Phan
Sustainability 2024, 16(2), 696; https://doi.org/10.3390/su16020696
“Signs of Slowing Recovery of Antarctic Ozone Hole in Recent Late Winter–Early Spring Seasons (2020–2023)”
by Janusz Krzyścin and Agnieszka Czerwińska
Atmosphere 2024, 15(1), 80; https://doi.org/10.3390/atmos15010080
“Determination of Ozone Concentration Levels in Urban Environments Using a Laser Spectroscopy System”
by Mioara Petrus, Cristina Popa and Ana-Maria Bratu
Environments 2024, 11(1), 9; https://doi.org/10.3390/environments11010009
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“Bio-Energy: Biogas, Biomethane and Green-Hydrogen” |
“Advances in Urban Air Pollution: 2nd Edition” |
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“Enhancing Urban Sustainability and Well-Being in Developing Regions Facing Climate Change Impacts and Economic Constraints” |
“Advances in Air Pollution Detection and Air Quality Research” |
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8 September 2025
MDPI Webinar | International Day of Clean Air for Blue Skies, 8 September 2025
MDPI is launching a special webinar to commemorate the International Day of Clean Air for Blue Skies (IDCABS) and encourage researchers to share their knowledge to raise awareness about the dangers of air pollution.
Air pollution is the leading environmental threat to human health, causing millions of premature deaths each year. In order to recognise its global impact, the UN has designated 7th of September as the International Day of Clean Air for Blue Skies to highlight the need for urgent action towards a sustainable future.
Date: 9 September 2025 at 12:00 p.m. CEST | 6:00 p.m. CST Asia
Webinar ID: 891 7022 7572
Register now for free!
Program
| Speaker/Presentation | Time in CEST | Time in CST (Asia) |
| MDPI Introduction | 12:00–12:10 p.m. | 6:00–6:10 p.m. |
| Dr. Linda Walters Atmospheric Deposition of Microplastics and other Anthropogenic Materials |
12:10–12:30 p.m. | 6:10–6:30 p.m. |
| Dr. Suraj Bhagat How AI/ML is Shaping the Fight Against Air Pollution for Better Public Health |
12:30–12:50 p.m. | 6:30–6:50 p.m. |
| Prof. Umberto Berardi Mechanical Ventilation and Air Pollution |
12:50–1:10 p.m. | 6:50–7:10 p.m. |
| Q&A Session | 1:10–1:30 p.m. | 7:10–7:30 p.m. |
| Closing of Webinar | 1:30–1:35 p.m. | 7:30–7:35 p.m. |
After registering, you will receive a confirmation email containing information on how to join the webinar. Registrations with academic institutional email addresses will be prioritized.
Unable to attend? Register anyway, and we will let you know when the recording is available to watch.
Webinar Chairs and Keynote Speakers:
- Dr. Suraj Bhagat, Marwadi University, India;
- Prof. Umberto Berardi, Politecnico di Bari, Italy;
- Dr. Linda Walters, University of Central Florida, USA.
Relevant Special Issues:
“Air Pollution: Health Risks and Mitigation Strategies”
Guest Editors: Dr. Gabriele Donzelli and Prof. Dr. María M. Morales Suárez-Varela
Deadline for manuscript submissions: 30 November 2025
Submit to Atmosphere
“Bio-Energy: Biogas, Biomethane and Green-Hydrogen”
Guest Editor: Prof. Dr. João Fernando Pereira Gomes
Deadline for manuscript submissions: 30 November 2025
Submit to Gases
“Air Quality in Indoor Environments, 3rd Edition”
Guest Editors: Dr. Ana Monteiro, Prof. Dr. Carla Viegas, Dr. Sandra Cabo Verde and Dr. Marina Almeida-Silva
Deadline for manuscript submissions: 10 January 2026
Submit to Applied Sciences
“The Impact of Wildfires on Climate, Air Quality, and Human Health”
Guest Editors: Dr. Diogo Lopes and Dr. Estela Vicente
Deadline for manuscript submissions: 30 April 2026
Submit to Fire
“Air Pollution Exposure and Its Impact on Human Health”
Guest Editor: Dr. Nedim Durmus
Deadline for manuscript submissions: 1 July 2026
Submit to Air
Relevant feature papers:
“Mitigating Built Environment Air Pollution by Green Systems: An In-Depth Review”
by Serena Vitaliano, Stefano Cascone and Provvidenza Rita D’Urso
Appl. Sci. 2024, 14(15), 6487; https://doi.org/10.3390/app14156487
“Methanol, a Plugin Marine Fuel for Green House Gas Reduction—A Review”
by Dimitrios Parris, Konstantinos Spinthiropoulos, Konstantina Ragazou, Anna Giovou and Constantinos Tsanaktsidis
Energies 2024, 17(3), 605; https://doi.org/10.3390/en17030605
“Determination of Ozone Concentration Levels in Urban Environments Using a Laser Spectroscopy System”
by Mioara Petrus, Cristina Popa and Ana-Maria Bratu
Environments 2024, 11(1), 9; https://doi.org/10.3390/environments11010009
“Review of Satellite Remote Sensing of Carbon Dioxide Inversion and Assimilation”
by Kai Hu, Xinyan Feng, Qi Zhang, Pengfei Shao, Ziran Liu, Yao Xu, Shiqian Wang, Yuanyuan Wang, Han Wang, Li Di and Min Xia
Remote Sens. 2024, 16(18), 3394; https://doi.org/10.3390/rs16183394
“An Overview of Waste-to-Energy Incineration Integrated with Carbon Capture Utilization or Storage Retrofit Application”
by Michele Bertone, Luca Stabile and Giorgio Buonanno
Sustainability 2024, 16(10), 4117; https://doi.org/10.3390/su16104117
4 September 2025
Interview with Prof. Chihhao Fan—Winner of the Environments Best Paper Award
