Roadmap to 2050: A Manual for Nations to Decarbonize by Mid-Century

Acknowledgments and Colophon

SDSN and FEEM would like to acknowledge the following organizations for their substantive contributions: Bowman Centre for Sustainable Energy; Carbon180; Climeworks AG; European Commission, Joint Research Centre; Global Energy Interconnection Development and Cooperation Organization (GEIDCO); Iberdrola S.A.; IEEE Power & Energy Society (PES); Israel Institute of Technology; Mastering Green; and University of South Florida.


Paolo Carnevale,
Fondazione Eni Enrico Mattei (FEEM)

Jeffrey D. Sachs,
Sustainable Development Solutions Network (SDSN)

Technical Authors

Niccolò Aste,
Politecnico di Milano

Marco Bocciolone,
Politecnico di Milano

Dmitrii Bogdanov,
LUT University of Technology Ed Brost, Bowman Centre for Sustainable Energy

Christian Breyer,
LUT University of Technology Victoria Burrows, World Green Building Council

Carlos Calvo Ambel,
Transport & Environment Emanuela Colombo, Politecnico di Milano / FEEM Claudio

Del Pero,
Politecnico di Milano

Thomas Earl,
Transport & Environment

Manfred Hafner,

Fabrizio Leonforte,
Politecnico di Milano Maurizio Masi, Politecnico di Milano

Renato Mazzoncini,
Politecnico di Milano

Michel Noussan,


Nicolò Golinucci,

Federica Inzoli,

Alessandro Miglioli,
Politecnico di Milano Francesco Davide Sanvito, Politecnico di Milano

Managing Editors

Elena Crete,
Sustainable Development Solutions Network (SDSN)

Gianluca Crisci,

Filippo Tessari,

Editorial Support

Lauren Barredo,
Sustainable Development Solutions Network (SDSN)

Cheyenne Maddox,
Sustainable Development Solutions Network (SDSN)

James McGowen,
United Nations Development Programme (UNDP)

Jay Neuner,
Sustainable Development Solutions Network (SDSN)

Graphic Designer

Phoenix Design Aid A/S


Published by Sustainable Development Solutions Network (SDSN) and Fondazione Eni Enrico Mattei (FEEM), September 2019

Copyright © SDSN & FEEM 2019

This copyrighted material is not for commercial use or dissemination (print or electronic). For personal, corporate or public policy research, or educational purposes, proper credit (bibliographical reference and/or corresponding URL) should always be included.


Recommended citation: SDSN/FEEM 2019. Roadmap to 2050: A Manual for Nations to Decarbonize by Mid-Century. New York: Sustainable Development Solutions Network (SDSN) and Fondazione Eni Enrico Mattei (FEEM).


The Roadmap 2050 reports are written by a group of independent experts acting in their personal capacities. Any views expressed in this report do not necessarily reflect the views of any government or organization, agency, or programme of the United Nations. Authors offer a variety of different perspectives which did not always align given the complex nature of the topic and the mix of expertise included. The contributors are listed at the start of each chapter in the text.