Assessment of Climate Change Mitigation Pathways (AMPERE)

AMPERE researchers used state-of-the art models to develop long-term, economically feasible strategies to lessen the global impact of climate change.

© Patrick Poendl |

© Patrick Poendl |


For societies to effectively cope with anthropogenic climate change, ambitious policies for long-term climate stabilization are needed. Reaching that goal requires the transition from carbon-intensive to low-carbon economies be achieved as quickly as possible. Extensive research is needed to identify good “mitigation pathways” for that transition.

The AMPERE project used state-of-the-art energy-economy and integrated assessment models to explore possible pathways to cutting greenhouse gas emissions, and to calculate the costs of following those paths. Combining the results from a sizable ensemble of models, the project focused on four areas:

  • The role of uncertainty in understanding how the climate will respond to anthropogenic forcing and how that uncertainty will affect global energy supplies;
  • The role of technology and innovation in the energy sector;
  • The role of political limits to policy such as limited regional participation in climate change regimes; and
  • The implications for Europe of policies to “decarbonize” the energy sector.

IIASA Research

Using IIASA's MESSAGE and GAINS models, researchers analyzed the effects of different low-carbon technologies on mitigation pathways. Researchers  also looked at the effects of climate feedbacks such as a warming-induced increase in methane released from permafrost, which in turn causes more warming. They also used MESSAGE to conduct a comparative analysis of the economic costs of the various mitigation scenarios developed as part of the project.

Kriegler E, Riahi K, Schwanitz VJ, Rao S, Johnson N, Krey V, McCollum D et al (2015)

A short note on integrated assessment modeling approaches: Rejoinder to the review of "Making or beaking climate targets - The AMPERE study staged accession scenarios for climate policy"

Technologcal Forecasting and Social Change, 99:273-276 [October 2015] (Published online 5 August 2015) More

Kriegler E, Riahi K, Bosetti V, Capros P, van Vuuren DP, Weyant JP, Edenhofer O (Guest Editors) (2015)

Special Section: The AMPERE Intermodel Comparison on the Economics of Climate Stabilization

Technological Forecasting and Social Change, 90(Part.A):1-354 (January 2015) More

Kriegler E, Riahi K, Bosetti V, Capros P, Petermann N, van Vuuren DP, Weyant JP, Edenhofer O (2015)

Introduction to the AMPERE model intercomparison studies on the economics of climate stabilization

Technological Forecasting and Social Change, 90(Part.A):1-7 (January 2015) (Published online 20 November 2014) More

Kriegler E, Riahi K, Bauer N, Schwanitz VJ, Petermann N, Rao S et al. (2015)

Making or breaking climate targets: The AMPERE study on staged accession scenarios for climate policy

Technological Forecasting and Social Change, 90(Part.A):24-44 (January 2015) (Published online 11 March 2014) More

Bertram C, Johnson N, Luderer G, Riahi K, Isaac M, Eom J (2015)

Carbon lock-in through capital stock inertia associated with weak near-term climate policies

Technological Forecasting and Social Change, 90(Part.A):62-72 (January 2015) (Published online 1 November 2013) More

Schaeffer M, Gohar L, Kriegler E, Lowe J, Riahi K, van Vuuren DP (2015)

Mid- and long-term climate projections for fragmented and delayed-action scenarios

Technological Forecasting and Social Change, 90(Part.A):257-268 (January 2015) (Published online 31 October 2013) More

Eom J, Edmonds J, Krey V, Johnson N, Longden T, Luderer G, Riahi K, van Vuuren DP (2015)

The impact of near-term climate policy choices on technology and emission transition pathways

Technological Forecasting and Social Change, 90(Part.A):73-88 (January 2015) (Published online 8 November 2013) More

Riahi K, Kriegler E, Johnson N, Bertram C, den Elzen M, Schaeffer M, Krey V, Luderer G, McCollum DL, van Vuuren DP et al. (2015)

Locked into Copenhagen pledges - Implications of short-term emission targets for the cost and feasibility of long-term climate goals

Technological Forecasting and Social Change, 90(Part.A):8-23 (January 2015) (Published online 27 November 2013) More

Kriegler E, Riahi K, Petermann N, Bosetti V, Capros P, van Vuuren DP, Criqui P, Egenhofer C, Fragkos P, Johnson N et al. (2014)

Assessing Pathways toward Ambitious Climate Targets at the Global and European levels: A Synthesis of Results from the AMPERE Project

FP7 AMPERE Project More

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Last edited: 03 June 2014


Keywan Riahi

Program Director


T +43(0) 2236 807 491

Fabian Wagner

Senior Research Scholar

Air Quality and Greenhouse Gases

T +43(0) 2236 807 565


2011 - 2014

Further Information

AMPERE Database

The results of the AMPERE modeling comparison exercise

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