Deep decarbonization pathways project (DDPP)

Energy (ENE) Program researchers Volker Krey, Nebojsa Nakicenovic, and Keywan Riahi were closely involved in the framing of the Deep Decarbonization Pathways Project (DDPP) of the Sustainable Development Solutions Network, which is charged with providing scientific input to the "World Leaders Summit" in New York in 2014.

Hot charcoal © Wesley Fryer | flickr Creative Commons License

Hot charcoal

Decarbonization refers to carbon-free sources of energy ultimately taking over from, and eliminating the need for, carbon handling and storage.

Although decarbonization and energy de-intensification are responsible for relative reductions in energy emissions, they are not enough to offset the absolute emissions increases and projected emissions associated with the world's energy needs, especially those required for further economic development.

The Deep Decarbonization Pathways Project (DDPP) will prepare practical national deep decarbonization pathways to 2050, consistent with the 2°C target associated with the Copenhagen Accord of 2009. This will help participating countries identify their own cost-effective transition path to a low carbon future. 

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Last edited: 22 May 2014


Keywan Riahi

Program Director


T +43(0) 2236 807 491

Research program

Further information



International Institute for Applied Systems Analysis (IIASA)
Schlossplatz 1, A-2361 Laxenburg, Austria
Phone: (+43 2236) 807 0 Fax:(+43 2236) 71 313