Abstract
Against the backdrop of the historic city of Athens, Greece, the 18th International Conference on Environmental Science and Technology (CEST2023) extended from August 30th to September 2nd, serving as an essential forum for the exchange of knowledge, ideas and solutions to address the demanding environmental challenges of our time. This gathering of minds brought together a diverse community of scientists, policymakers, researchers and practitioners dedicated to progressing our understanding and stewardship of the environment.
The conference is organized biannually by the Global Network of Environmental Science and Technology jointly with the University of the Aegean (Greece) and the National and Kapodistrian University of Athens (Greece). It is scientifically supported by the Open University of Cyprus (Cyprus), the University of Salerno (Italy) and the University of Cincinnati (USA). This year’s event was under the auspices of the Ministry of Environment and Energy, the Region of Attica, the Municipality of Athens and the European Public Law Organization and under the patronage of the World Water Assessment Programme of United Nations Educational, Scientific and Cultural Organization (UNESCO). It was supported by the International Water Association, the European Water Association, the Natural Environment and Climate Change Agency, the A.C. Laskaridis Charitable Foundation and the Circle the Med Forum.
CEST2023 offered a comprehensive exploration of environmental science and technology, presenting a remarkable array of research results, cutting-edge technologies and collaborative strategies. The main theme of the conference, the Circular Economy, resonated throughout the panels, highlighting the urgent need to develop sustainable practices and sustainable approaches to address the environmental issues facing our planet. It was mainly emphasized that circularity is considered the main weapon against climate change.
One of the distinguishing features of CEST2023 was its commitment to foster a truly global dialogue without personal or political agendas. Researchers from every corner of the world came forward to present their research on topics ranging from climate change and biodiversity conservation to waste management, water issues and renewable energy. Circular economy, bioeconomy and new business models were at the top of many presentations and open discussions as well as the issues of management and protection of water resources. Through an open dialogue, new knowledge was developed on many environmental issues. CEST2023 was not just a conference, it was a catalyst for changing our attitude towards the most serious environmental issues plaguing our planet. The solutions to the contemporary environmental challenges presented are harmonized with the timeless principles of sustainability and rational management and are identified with the UN’s 17 Sustainable Development Goals.
CEST2023 programme included over 450 oral and poster presentations, more than 50 sessions and 7 side-events. Over 400 people attended the conference from 60 different countries across the Globe.
The conference’s plenary sessions featured distinguished speakers who are notable and widely recognized in their field, offering deep insights into the latest development and future directions of environmental science and technology. Their presentations not only provided concrete solutions to serious environmental issues but also presented a sense of hope, showcasing the possibilities of scientific innovation and strategic policy interventions. From artificial intelligence to biotechnology, renewable energy to space exploration, the speakers illuminated the audience with their insights and propelled discussions that transcended disciplinary boundaries. The interdisciplinary nature of the conference encouraged participants to explore the intersections of different scientific domains, fostering a holistic approach to problem-solving. Among the highlights of the conference was the outstanding speech from late Professor Dr. Dionysios (Dion) Dionysiou, Professor of Environmental Engineering and Science at the University of Cincinnati. His speech emphasized on Sustainable Water Management: Global and Regional Challenges and Opportunities, and it was one of his last given. Professor Dionysiou pointed out that global and regional water challenges stem from a dynamic combination of climate change, anthropogenic activities, population growth and unsustainable water use. The three main challenges involved with addressing water issues are related to geographic location, water resources and agriculture. In addition, he summarized in his speech that climate change has contributed to some regions experiencing severe droughts and water scarcity, whereas other regions are hit with devastating floods resulting from increased rainfall and frequent extreme weather events. Freshwater resources are distributed unequally across the globe, and this can lead to physical water scarcity and economic water scarcity issues depending on the location.
CEST2023 also facilitated interactive workshops and panel discussions, providing a platform for the exchange of ideas, best practices and practical solutions. The emphasis on actionable outcomes and real-world applications underscored the conference’s commitment to translating research into tangible benefits for society and the environment. In addition, CEST2023 had 12 thematic sessions: Water and Wastewater Treatment and Reuse, Waste Management, Circular Economy and Bioeconomy, Environmental Management and Policies, Artificial Intelligence in Environmental Applications, Environmental Citizen Science, Environmental Pollution, Ecology Environmental Change and Management, Hydrology and Water Resources, Environmental, Energy Technologies; Climate Change.
One of the most notable aspects of CEST2023 was its recognition of the role of youth in shaping the future of environmental science and technology. Student-led sessions, workshops, summer school and networking opportunities empowered the next generation of environmental leaders, fostering a sense of responsibility and passion for sustainable practices.
The poster and oral presentations showcased at CEST2023 were a testament to the ingenuity and creativity of researchers, scientists and innovators. Attendees were treated to a smorgasbord of cutting-edge research projects and technological developments, ranging from the microscopic world of nanotechnology to the grandeur of space exploration. The interactive sessions provided a platform for constructive feedback, facilitating a collaborative atmosphere that is crucial for the advancement of science.
As we look ahead, the lessons learned and connections made at CEST2023 will undoubtedly contribute to a more resilient, sustainable and harmonious coexistence between humanity and the environment. The conference has not only deepened our understanding of environmental challenges but has also fuelled our collective commitment to safeguarding the planet for future generations. In the spirit of Athenian wisdom, CEST2023 has illuminated the path forward towards a more environmentally conscious and sustainable world.
Moreover, CEST 2023 placed a strong emphasis on the ethical implications of emerging technologies. Discussions delved into the responsible and sustainable development of scientific innovations, acknowledging the societal impact of research. This ethical dimension added a layer of depth to the conference, challenging participants to consider not only the possibilities that science and technology offer but also the ethical responsibilities that come with such advancements.
The conference also prioritized inclusivity and diversity, recognizing that the best solutions emerge from a multitude of perspectives. Workshops and panel discussions addressed the importance of fostering a scientific community that is representative of the global population, ensuring that the benefits of emerging technologies are accessible to all.
