2nd HYDRA Webinar

Integrated Assessment Models in action:

insights from HYDRA, NEVERMORE & CHOICE

About

The second HYDRA webinar will introduce participants to Integrated Assessment Models (IAMs), with a special focus on WILIAM and its application across major EU-funded projects such as HYDRA and NEVERMORE.

The session will conclude with an overview of the different IAMs employed by the CHOICE project, highlighting the breadth and versatility of these models in European research.

Join us for a deep dive into the transformative role of IAMs and discover how they contribute to evidence-based policymaking and innovation across the EU.

Details

  • 31 October 2025 | 11:00 CET

  • Online

Agenda
  • 11.00 – 11:10 > Integrated Assessment Models: an introduction

Iñigo Capellán Perez – Universidad Valladolid

  • 11.10 – 11.30 > The WILIAM model: Overview

Iñigo Capellán Perez – Universidad Valladolid; Noelia Ferreras Alonso – CARTIF

  • 11:30 – 11:50 > WILIAM in HYDRA – Integration of features and results

Juan Manuel Campos Rodriguez- Universidad Valladolid; Pablo Serna Bravo – CARTIF; Noelia Ferreras Alonso – CARTIF

  • 11:50 – 12:10 > WILIAM in NEVERMORE – Integration of features and results

Adrian Mateo Martinez – CARTIF; Daniel García – Universidad Valladolid; Paola Lopez – Universidad Valladolid

  • 12:10 – 12.25 > IAMs in the CHOICE project

Sibel Eker – International Institute for Applied Systems Analysis (IIASA)

  • 12.25 – 12.30 > Q&A Session
Speakers

Biography:

Dr. Sibel Eker is a Senior Research Scholar at International Institute for Applied Systems Analysis (IIASA) in Austria. Her interdisciplinary research profile combines systems analysis and engineering, decision sciences and social sciences, and her work brings systems thinking and uncertainty focus to climate change and sustainability problems with model-based approaches. Complementing her academic experience, she has worked with several stakeholders and policy actors such as UK DBEIS, World Bank, EIT-Climate KIC, governmental and private organizations. Her current research interests center around the drivers and implications of demand-side climate change mitigation, sustainable diets, and co-production of mitigation and sustainability scenarios through simple integrated assessment models. Sibel is a selected member of Global Young Academy where she co-led the Scientific Excellence Working Group; a Lead Author in UNEP’s Global Environment Outlook (GEO-7); holds multiple editorial roles and leadership roles in European research projects. She was an Assistant, then Associate Professor of System Dynamics at Radboud University, Netherlands between 2021 and 2025.

Abstract:

CHOICE project strives to mainstream Integrated Assessment Models (IAMs) by embedding behavioural change and actor heterogeneity, and increasing their outreach to citizens, communities and industrial actors in the food, agriculture and land use sectors. The project employs three models for this purpose: FABLE Calculator, GLOBIOM and FeliX. This talk will discuss the role of these three models in outreach campaigns and citizen engagement, as well as the methodological improvements to capture behavior changes. The talk will then focus on the FeliX model — a feedback-rich system dynamics model of climate, economy, environment and society interactions—and how it is used to explore long-term dietary changes and sustainable development based on social dynamics.

Biography:

Adrián Mateo Martínez. Chemical Engineering Degree in 2021 and MEng in Environmental Engineering in 2022, both by the University of Valladolid (Spain). During 2022, he worked in the Institute of Sustainable Processes (ISP), in particular in the Chemical Engineering & Environmental Technology Department, focusing on projects related to waste valorisation. He currently works as a researcher in the Energy Department of CARTIF, developing European projects involving modelling such as IAM COMPACT or NEVERMORE, with special emphasis on the WEF Nexus topic.

Abstract:

During this session, some of the improvements made to the WILIAM climate model as part of the NEVERMORE Project will be explained. These modelling updates consists of Planetary Boundaries, such as the Biogeochemical Cycles – nitrogen and phosphorous –, the ocean acidification and the stratospheric ozone depletion. Their implementation in the model (structure, assumptions and interactions with other WILIAM variables) and their results will be discussed.

Biography:

Iñigo Capellán-Pérez is a Researcher at the Group of Energy, Economy and Systems Dynamics (GEEDS) of the University of Valladolid (Spain). His research focuses on the analysis and modelling of energy-economy-environment systems, the transition towards renewable energies in the context of the depletion of fossil resources and climate change, and technical and social transformations towards sustainability.

Abstract:

Integrated Assessment Models (IAMs) integrates multiple disciplines to analyze the complex, dynamic interactions between human and natural systems. These computer programs, also known as energy-economy-environment (E3) models, mathematically link components from various fields (energy, economy, climate, etc.). The primary goal of this approach is to capture highly non-linear relationships in order to provide useful information to support policy-making.

WILIAM is a system dynamics IAM designed to simulate the socioeconomic impacts of the energy transition while respecting biophysical constraints. It improves on traditional IAMs by integrating critical, often overlooked dimensions like detailed economics, materials. The model consists of eight interconnected modules of Earth and human systems: (1) Demography, (2) Society, (3) Economy, (4) Energy, (5) Materials, (6) Land and (7) Climate.

https://github.com/LOCOMOTION-h2020/WILIAM_model_VENSIM

Biography:

Chemical and Industrial Engineer. Since 2018, she has been working at CARTIF on projects related to climate and sustainability policy modelling. Her work focuses on the use of System Dynamics within Integrated Assessment Models at different scales, particularly on climate and land systems. She is also a member of the research group GEEDS at the University of Valladolid. In the HYDRA project, she contributes as a model developer for the land and climate modules of WILIAM and is part of the scientific coordination team.

Abstract:

Presentation of the environmental modules of the WILIAM Integrated Assessment Model (land, water, and climate). The focus will be on how the model integrates the land-use implications of hydrogen deployment, including some preliminary results.

Biography:

Industrial engineer and researcher specializing in energy and hydrogen. Developer on WILIAM for the high-temperature industry and freight transport submodules, which formed the basis of his master’s thesis.

Abstract:

Presentation of the freight transport submodule integrated into WILIAM. Technologies, policies, and sector decarbonization scenarios. Preliminary results for green growth scenarios with and without hydrogen.

Biography:

Paola López Muñoz is a researcher and PhD candidate with the Research Group on Energy, Economics and Systems Dynamics (GEEDS) at the University of Valladolid, Spain. She holds a background in Economics, and her current research focuses on Integrated Assessment Models and Ecological Macroeconomics, particularly on modelling the socioeconomic impacts of climate change.

Abstract:

During the session, she will present key advances achieved in the NEVERMORE Project, focusing on the enhanced modelling within the WILIAM IAM of climate change’s socioeconomic impacts on areas such as occupational health, mortality, and infrastructure.

Biography:

Juan Manuel Campos Rodríguez holds a degree in Electrical Engineering and a Master’s in Industrial Engineering from the University of Valladolid. Currently a PhD candidate at the University of Valladolid and member of the Group of Energy, Economy and Systems Dynamics, his research focuses on hydrogen technologies within the energy transition.

Abstract:

In this talk, the progress achieved in modelling the hydrogen sector within the energy module of WILIAM is presented, focusing on the implementation of different H2 production pathways, synthetic fuel production, and the use of H2 as feedstock. Preliminary global-scale results related to these features, as well the effects on the energy system in global energy transition contexts, are also presented.

Biography:

 

Abstract: