The Integrated Global System Model (IGSM) is an
Integrated Assessment Model (IAM) developed by the
Massachusetts Institute of Technology
The Massachusetts Institute of Technology (MIT) is a Private university, private Land-grant university, land-grant research university in Cambridge, Massachusetts. Established in 1861, MIT has played a key role in the development of modern t ...
(MIT)
Joint Program on the Science and Policy of Global Change. The IGSM couples the MIT Earth System Model (MESM), an Earth system model of intermediate complexity, to the Economic Projection and Policy Analysis (EPPA), a human activity model that represents the world's economy. It has been used to understand the interactions between humans and the global climate system.
History
IGSM was introduced in 1999 in a paper by
Ronald Prinn
Ronald is a masculine given name derived from the Old Norse ''Rögnvaldr'', Hanks; Hardcastle; Hodges (2006) p. 234; Hanks; Hodges (2003) § Ronald. or possibly from Old English '' Regenweald''. In some cases ''Ronald'' is an Anglicised form ...
et al. in a paper in ''
Climatic Change
''Climatic Change'' is a biweekly peer-reviewed scientific journal published by Springer Science+Business Media covering cross-disciplinary work on all aspects of climate change and variability. It was established in 1978 and the editors-in-chief a ...
''
Version 2 was released in 2005.
[
]
Reception
Academic reception
The IGSM has been referenced by the United States Environmental Protection Agency
The Environmental Protection Agency (EPA) is an independent executive agency of the United States federal government tasked with environmental protection matters. President Richard Nixon proposed the establishment of EPA on July 9, 1970; it ...
and the Intergovernmental Panel on Climate Change
The Intergovernmental Panel on Climate Change (IPCC) is an intergovernmental body of the United Nations. Its job is to advance scientific knowledge about climate change caused by human activities. The World Meteorological Organization (WMO) a ...
.
The IGSM has also been referenced in academic literature on climate systems, human activity, and policy implications. Version 1 was used by the model creators for an analysis of the Kyoto Protocol
The Kyoto Protocol was an international treaty which extended the 1992 United Nations Framework Convention on Climate Change (UNFCCC) that commits state parties to reduce greenhouse gas emissions, based on the scientific consensus that (par ...
in a 1999 paper for ''Nature
Nature, in the broadest sense, is the physical world or universe. "Nature" can refer to the phenomena of the physical world, and also to life in general. The study of nature is a large, if not the only, part of science. Although humans ar ...
''. Version 2.2 was used by the creators of the model in a study published as a working paper in 2008. A modified version was published in ''Climatic Change
''Climatic Change'' is a biweekly peer-reviewed scientific journal published by Springer Science+Business Media covering cross-disciplinary work on all aspects of climate change and variability. It was established in 1978 and the editors-in-chief a ...
'' in 2011. A 2012 working paper did an analysis of climate policy targets under uncertainty. The strategy for investigating the impacts of climate change on Earth’s physical, biological and human resources and links to their socio-economic consequences in the MIT IGSM is discussed in an article published in ''Climatic Change
''Climatic Change'' is a biweekly peer-reviewed scientific journal published by Springer Science+Business Media covering cross-disciplinary work on all aspects of climate change and variability. It was established in 1978 and the editors-in-chief a ...
'' in 2013. A demonstration of the IGSM capabilities for multi-sectoral assessment of climate impacts under a range of consistent and integrated economic and climate scenarios that are responsive to new policies and business expectations was published in ''Nature Communications
''Nature Communications'' is a peer-reviewed, open access, scientific journal published by Nature Portfolio since 2010. It is a multidisciplinary journal and it covers the natural sciences, including physics, chemistry, earth sciences, medicine, ...
'' in 2018.
Independent authors have also referenced the IGSM.
See also
* DICE model
The Dynamic Integrated Climate-Economy model, referred to as the DICE model or Dice model, is a neoclassical integrated assessment model developed by 2018 Nobel Laureate William Nordhaus that integrates in the neoclassical economics, carbon cyc ...
References
External links
{{official website, globalchange.mit.edu/research/IGSM
Climate change assessment and attribution