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Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs."

The Report of the U.N. Brundtland Commission, Our Common Future, 1987

"Then I say the Earth belongs to each generation during its course, fully and in its right no generation can contract debts greater than may be paid during the course of its existence"

Thomas Jefferson, September 6, 1789

"If there are to be problems, may they come during my life-time so that I can resolve them and give my children the chance of a good life."

Kenyan proverb

JOIN US IN DUBROVNIK!
Depending on the Covid-19 situation, the conference will be held in hybrid mode or full online mode.
Over 800 abstracts received so far!

Invited lectures

Enabling Pathways towards Sustainable Urban System Scenarios for Effective Climate Mitigation

Urban areas were responsible for about 28.6 GtCO2eq of greenhouse gas emissions at the global level in 2020, including direct and indirect emissions from energy use as well as embodied emissions. With such an important share, capturing a turning point and rapid decrease in urban emissions at sufficient scale and pace is crucial for enabling pathways that are better aligned with the critically sensitive bounds of a 1.5°C global warming target. This lecture will first focus on urban emission scenarios that are constructed in the context of the SSP-RCP framework using data from over 10,000 urban areas as well as urban emission trends. The findings have significance for comparing urban emission scenarios that are able to reverse the drivers of urban emissions in a way that benefits from an urban advantage for accelerating climate mitigation. These include supporting the penetration of renewable energy in energy systems, integrating efficient urban energy infrastructure, and mobilizing sustainable behavioral change. Based on these scenarios, indices based on an urban identity that involves an integrated urban energy planning perspective are introduced to support the translatability of global targets to the local level. An original synthesis across multiple datasets is continued to obtain local urban emission scenarios for the top 10 urban areas in each of the main world regions plus South East Europe that is harmonized with parameters from the Global Human Settlement Layer. Connections across spatiotemporal dimensions are used to emphasize the need for diffusing effective urban climate mitigation action that takes into account the progress of pioneering urban areas for climate neutrality as well as climate positivity. The role of urban areas in integrating sectors for providing flexibility in 100% renewable energy scenarios is underlined as well as opportunities for further improving the SSP1-RCP1.9 scenario with a transition to renewable energy based, resource efficient and compact urban areas. The multi-dimensional feasibility of such options is put forth as well as the presence of tools to enable the vision for a SDEWES-Aware City for sustainable urban systems. Enabling the integration of energy, water and environment systems in urban areas is crucial for better safeguarding life-support systems for the well-being of the entire planet.

Prof. Şiir KILKIŞ
The Scientific and Technological Research Council of Turkey (TÜBİTAK)
Ankara, Turkey



Şiir KILKIŞ is alumna of KTH Royal Institute of Technology, School of Architecture and the Built Environment Faculty of Civil and Architectural Engineering, and Georgetown University, where she graduated magna cum laude as the gold medalist in Science, Technology, and International Affairs. She serves as a Lead Author in the Intergovernmental Panel on Climate Change Sixth Assessment Report with a focus on urban systems in Working Group III on Mitigation of Climate Change. She is a member of the Earth Commission Working Group on Translation and Methods, Steering Committee of the Future Earth Urban Knowledge Action Network, and the International Scientific Committee of the SDEWES Center. Based on her research work, she takes place among the world’s top 2% scientists in the areas of energy, environmental science, and emerging/strategic technologies. Her research accomplishments include the SDEWES Index benchmarking 120 cities, novel net-zero district concepts, and the Rational Exergy Management Model to curb CO₂ emissions. She is an editorial board member of The Journal of Sustainable Development of Energy, Water & Environment Systems and Smart Energy as well as Guest Editor in Energy Conversion and Management. As Associate Professor in Energy Systems Engineering, she lectures on sustainable development in the Earth System Science Program of METU and is Senior Researcher and Advisor to the President at The Scientific and Technological Research Council of Turkey.

The Essence of Geography in Energy Sciences

As renewable energy shares increase with decreasing costs, available land may be the next stop block for the development of sustainable energy systems. Energy planning is therefore increasingly a matter of spatial planning as well.

For more than 20 years, geographical information systems have been used to describe and model current and future energy systems. Energy data has been disaggregated to local geographical scales and made available to the research community on massive scale. A magnitude of studies addresses the space-dependent distribution of sustainable energy resources, captures the spatial spreading of energy needs and consumption, and analyses the access to energy infrastructures.

What is often missing, though, is the intricate link between location suitability, and the quantification of potentials and costs. The present paper suggests a generic approach to assess these main constraints of local sustainable energy options. For each geographical entity, suitability mapping identifies available land by environmental constraints or political preference; potentials are quantified and located by technical limitations; and location-specific costs are assessed for place- and logistics-dependent technologies. The paper introduces to the methods of such analysis, and presents examples from past and current research.

Prof. Bernd Möller
Europa Universität Flensburg
Flensburg, Germany



Prof. Dr. Bernd Möller studied energy engineering at Flensburg University of Applied Sciences. He worked as a research fellow at Aalborg University in Denmark, where he obtained a PhD in Energy Planning at the Department of Planning and Development. As a member of the Sustainable Energy Planning Research Group he gathered experience with energy systems analysis and later on specialized in spatial analysis and the use of geographical information systems in energy and environmental planning. He has been a board member of Samsoe Energy Academy in Denmark, on an island dedicated to 100% renewable energy supply. Prof. Dr. Bernd Möller is chair of the M.Eng. programme of Energy and Environmental Management at Europa Universität Flensburg, a programme with a 25 year history, dedicated to sustainable energy systems and management in developing countries. Main areas of research are renewable energy sources such as wind, solar and biomass and the geographical aspects of sustainable energy systems in terms of technology, economy and planning. This includes studies of resource availability of biomass, landscape impact of wind energy, continuous resource economic models of offshore wind energy, the connectivity to district heating as well as heat atlases of demand and supply for Denmark and Europe.


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SDEWES INDEX
Benchmarking the performance of cities across energy, water and environment systems
related metrics presents an opportunity to trigger policy learning, action, and cooperation to bring cities closer to sustainable development.

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