20.05.2015, Berlin: Die politische Ökonomie der deutschen Energiewende (organised by Wuppertal Institute, DIE and SDSN Germany)

2014.11.20: Release of the United States national report

2014.10.23, Bonn: DDPP presentation at the UNFCCC Climate Conference

- 07.10.2014: Release of the Japan national report at the Tokyo Institute of Technology

- 2014.09.23: Release of the Australia national report

- 2014.09.23, New York: DDPP  presentation at the UN Climate Summit

- 2014.07.11, Paris: DDPP  presentation at the Major Economies Forum (MEF)

- 2014.07.10, Paris: Interim 2014 report handed over to the French Minister of Foreign Affairs Laurent Fabius

(Jeffrey Sachs, Laurence Tubiana, Laurent Fabius, Teresa Ribera, Fatih Birol - ©Frédéric de La Mure/MAEDI)

- 2014.07.08, New York: Interim 2014 report handed over to Ban Ki-moon, United Nations Secretary-General

- 2013.10.12-13, Seoul (South Korea): DDPP kick-off meeting

Deep Decarbonization Pathway Project


Restraining global warming to below 2°C requires profound changes that may be difficult to grasp. How can the changes be conceived? How can the specific context and development objectives of each country be taken into account? What policies are needed, both at the local and international levels?

2015 Synthesis Report

[PDF-822 Ko]

Executive summary
[PDF-27 Ko]

To answer these questions, IDDRI and the Sustainable Development Solutions Network (SDSN) met to form the secretariat of the Deep Decarbonization Pathways Project (DDPP) platform, which to date has been joined by leading research teams from 16 countries that represent over 70% of global greenhouse gas emissions: Australia, Brazil, Canada, China, United States, France, Germany, India, Indonesia, Italy, Japan, Mexico, Republic of Korea, South Africa, United Kingdom and Russia.



The key elements of the working method of this platform include:

  • the deep decarbonization trajectories of each country are developed by local research teams;
  • a common approach is applied (known as backcasting), which uses the 2050 goal as a starting point, then examines the necessary conditions that would enable this target to be reached, as opposed to analysing the extension of current trends;
  • common tools are used to ensure transparency of the working hypotheses, including in sectors and technologies.

The DDPP benefits from collaborations with key partners, who are publishing their national report :



  • Canada, April 2016 : D. Sawyer, and C. Bataille (2016). Still Minding the Gap: An Assessment of Canada’s Greenhouse Gas Reduction Obligations, SDSN - IDDRI.

    >> Download report 





         >> Download the 4 following PDF  :


          Policy report [PDF - 6Mo]



         > Policy Report - exe summary [PDF- 848Ko]  


Project website: