The content of the GTSP website is available to any browser, but for the best experience we highly recommend you upgrade to a standards-compliant browser such as the lastest version of Mozilla, Netscape, Internet Explorer, or Opera.

Where We Came From

A Brief History of GTSP and Integrated Assessment Modeling at PNNL

1983

First publications by Jae Edmonds on the Global Change Assessment Model (GCAM)

1985

Jae Edmonds and John Reilly publish Global Energy: Assessing the Future (Oxford University Press)

1991

Donald J. Wuebbles and Jae Edmonds publish A Primer on Greenhouse Gases (CRC Press)

1992

EPRI & PNNL join forces to develop an IAM capability at PNNL using MiniCAM

1993

1st IA model design papers (Edmonds, Pitcher, Rosenberg, and Wigley);

International collaborations start;

Work on the SGM begins

1994

Advanced energy technology work begins;

Visiting scholars work with PNNL staff to develop SGM regional modules for China, Korea, India, Europe, and the former Soviet Union

1995

Work on Agriculture-Land-Use module begins;

SGM used in Japan, India and Korea in support of domestic climate policy analysis

1996

Nature publishes "Economic and environmental choices in the stabilization of atmospheric CO₂ concentrations" by Wigley, Richels, and Edmonds, (Nature 379, 240-243) outlining striking results of PNNL team's research establishing meaningful link between economic model of anthropogenic emissions and the carbon cycle.

1997

Global Energy Technology Strategy Project (GTSP) begins as a collaboration between Battelle and EPRI with pilot project;

BP-Amoco, ExxonMobil, join GTSP as major sponsors;

GCAM selected by OSTP to conduct policy analysis prior to Kyoto Protocol negotiations;

SGM chosen by the President's Council of Economic Advisors for analysis of the cost of emissions mitigation prior to the Kyoto Protocol negotiations

1998

St. Michaels soil carbon workshop;

CSiTE begins IA work at PNNL;

EPIC model improved for better simulation of soil C and N dynamics;

Series of technology papers explore the potential value of various technologies including-nuclear, solar, fuel cells, H₂, modern biomass, carbon capture, geological sequestration, and terrestrial sequestration;

PNNL & SC-1 initiate first comprehensive analysis of global public and private sector energy R&D

1999-2000

US DOE (SC & FE) joins GTSP as major sponsor;

Regional Workshops and visiting scholars explore regional technology responses to climate change mitigation in China, India, Japan, and Korea;

PNNL IA team member selected to head USGCRP;

Non-CO₂ greenhouse gas work expanded;

SGM 2000 begins with US, Japan, and China modules