Response measures models - ASF


Name and contact of the organization

US Environmental Protection Agency

USEPA Ariel Rios Building (AR), 1200 Pennsylvania Avenue N.W., Washington, DC 20004, USA

Description of model

ASF is an integrated assessment model, which provides a framework for developing scenarios of future emissions based on consistent demographic, economic, and technological assumptions. Its strength is in its links between the use of biofuels, land use, technological development and GHG policy.  It is therefore an appropriate tool for evaluating the land-use impacts of response measures.

Particular relevance

The ASF model is used for analysing the development of clean technology in areas that are not related to energy generation, such as land use.  These areas are often less well covered by other models, making it an important tool.


World, split into nine regions

Model applications

IPCC Special Report on Emissions Scenarios was prepared  for the Third Assessment Report (TAR) in 2001, on future emission scenarios to be used for driving global circulation models to develop climate change scenarios. 

ASF was used to develop the standard IPCC emission scenarios in 1990, in conjunction with the IMAGE model, and in 1992 (  - click on 'Emission Scenarios' and choose Appendix 4).

Organization's main area of research

Develop and enforce environmental regulations and study of environmental issues.

Other projects / reseach

Economic analyses results (

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