**About the Editors**

**Jukka Heinonen** works as a Professor at the University of Iceland, Faculty of Civil and Environmental Engineering. His focus area is sustainability in the built environment. He also holds an Adjunct Professor position at Aalto University in the field of built environment life cycle economics. His main fields of research are urban carbon mitigation and low-carbon human settlements. He has published over 50 peer-reviewed research articles and sits on the editorial boards of several highly rated academic journals in these fields. He was recently named among the global top 10 researchers in the field of carbon footprinting.

**Sanna Ala-Mantila** is an assistant professor and leader of the sustainable urban systems research group at the University of Helsinki. She is part of Helsinki Institute of Sustainability Science (HELSUS), and Faculty of Biological and Environmental Sciences. Her main interest is urban sustainability, from angles of both ecological and social sustainability, and the possible intersections and discrepancies between the two. She is currently running two academy of Finland projects, called "Sustainable urban development emerging from the merger of cutting-edge Climate, Social and Computer Sciences" and "Smart land use policy for sustainable urbanization".

**Ortzi Akizu-Gardoki** has been lecturing since 2011 and he has been an Associate Professor since 2019 at the Faculty of Engineering of Bilbao of the University of the Basque Country (UPV/EHU). He currently lectures "Graphics in Engineering" to first-year bachelor's degree students of and "Life Cycle Assessment II" and "Tools for Projects Management" at master's degree level. He is a member of the "Ekopol: transition pathways" research team, where he is developing research about footprint analysis using Life Cycle Assessment (LCA) and Multiregional Input–Output (MRIO) methodologies. His main body of research is focused on the analysis of the ongoing energy transitions, particularly calculating the energy footprint created by goods and services. Currently he is collaborating with the University of New South Wales (UNSW), the Basque Centre for Climate Change (BC3), Tecnalia Reseach Centre, and Ecologists in the Action social movement.
