• A comprehensive approach to climate change: Options and obstacles 

      Fuglestvedt, Jan S.; Skodvin, Tora (CICERO Report;1996:04, Research report, 1996)
      The principle of comprehensiveness constitutes an important element in the climate convention, but guidelines as to how this principle is to be understood and implemented are not provided. In this analysis the meaning of ...
    • An alternative to the Global Warming Potential for comparing climate impacts of emissions of greenhouse gases 

      Shine, Keith P.; Fuglestvedt, Jan S.; Stuber, Nicola (CICERO Working Paper;2003:03, Working paper, 2003)
      The Global Warming Potential (GWP) is used within the Kyoto Protocol to the United Nations Framework Convention on Climate Change as a metric for weighting the climatic impact of emissions of different greenhouse gases. ...
    • A review of country studies on climate change 

      Hanisch, Ted; Fuglestvedt, Jan S.; Isaksen, Ivar S. A.; Selrod, Rolf; Strand, Jon; Torvanger, Asbjørn (CICERO Report;1993:01, Research report, 1993)
      Country studies are important instruments for determining national climate policies and adding to the global knowledge on climate issues. They are, however, also the basis for examining the obligations of the Parties under ...
    • A simple model for scenario studies of changes in global climate: Version 1.0 

      Fuglestvedt, Jan S.; Berntsen, Terje (CICERO Working Paper;1999:02, Working paper, 1999)
      This paper gives a documentation of a simple climate model for studying the effects of future climate gas emissions on global mean temperature and sea level. Input to the model is global emissions of 29 gases. Atmospheric ...
    • Assessing compliance with the Kyoto Protocol: Expert reviews, inverse modelling, or both? 

      Rypdal, Kristin; Stordal, Frode; Fuglestvedt, Jan S.; Berntsen, Terje (CICERO Working Paper;2003:07, Working paper, 2003)
      The Kyoto Protocol has an ambitious reporting and review system to assess nations’ compliance with their emission commitments. This system requires considerable resources to assure that the Parties report accurate emission ...
    • Assessing metrics of climate change: Current methods and future possibilities 

      Fuglestvedt, Jan S.; Berntsen, Terje; Godal, Odd; Sausen, Robert; Shine, Keith P.; Skodvin, Tora (CICERO Report;2001:04, Research report, 2001)
      With the principle of comprehensiveness embedded in the UN Framework Convention on Climate Change (Art. 3), a multi-gas abatement strategy with emphasis also on non-CO2 greenhouse gases as targets for reduction and control ...
    • CICERONE 1992-1 

      Hanisch, Ted; Isaksen, Ivar S. A.; Fuglestvedt, Jan S. (1992:1;, Others, 1992-10-13)
    • CICERONE 1992-2 

      Hanisch, Ted; Underdal, Arild; Torvanger, Asbjørn; Hagem, Cathrine; Fuglestvedt, Jan S.; Selrod, Rolf (1992:2;, Others, 1992-12-11)
    • Climate change: Scientific background and process 

      Alfsen, Knut H.; Fuglestvedt, Jan S.; Seip, Hans Martin; Skodvin, Tora (CICERO Report;2000:01, Research report, 2000)
      The paper gives a brief description of natural and man-made forces behind climate change and outlines climate variations in the past together with a brief synopsis likely future impacts of anthropogenic emissions of ...
    • Climate change: Some elements from the scientific background and the scientific process 

      Alfsen, Knut H.; Fuglestvedt, Jan S.; Skodvin, Tora (CICERO Working Paper;1998:11, Working paper, 1998)
      Concluding remarks: On the nature of the climate problem The problem of climate change is not, despite popular conception, mainly a problem of increased global average temperature. The seriousness of the problem is more ...
    • Climate impacts of short-lived climate forcers versus CO2 from biodiesel: A case of the EU on-road sector 

      Lund, Marianne Tronstad; Berntsen, Terje Koren; Fuglestvedt, Jan S. (Peer reviewed; Journal article, 2014)
      Biofuels are proposed to play an important role in several mitigation strategies to meet future CO2 emission targets for the transport sector but remain controversial due to significant uncertainties in net impacts on ...
    • Climate regulation of ships 

      Torvanger, Asbjørn; Bogstrand, Bjørg; Skeie, Ragnhild Bieltvedt; Fuglestvedt, Jan S. (CICERO Report;2007:07, Research report, 2007)
      This report gives an overview of five possible regulation schemes for carbon dioxide emissions from international shipping. The strengths and weaknesses of the schemes are compared with regard to nine criteria. The two ...
    • Climatic effects of NOx emissions through changes in tropospheric O3 and CH4: A global 3D model study 

      Fuglestvedt, Jan S.; Berntsen, Terje; Isaksen, Ivar S. A.; Mao, Huiting; Liang, Xin-Zhong; Wang, Wei-Chyung (CICERO Report;1997:03, Research report, 1997)
      As a result of chemical processes in the atmosphere, emissions of NOx can both damp and enhance the greenhouse effect. The two most important effects of NOx in this context are increased concentrations of tropospheric ozone ...
    • Costs Savings of a Flexible Multi-Gas Climate Policy 

      Aaheim, H. Asbjørn; Fuglestvedt, Jan S.; Godal, Odd (CICERO Working Paper;2004:03, Working paper, 2004)
      Current climate policies are based on the use of the Global Warming Potential (GWP) index to compare various greenhouse gases. Yet, from an economic point of view, more efficient methods exist. The purpose of this paper ...
    • Counteracting the climate effects of volcanic eruptions using short-lived greenhouse gases 

      Fuglestvedt, Jan S.; Samset, Bjørn Hallvard; Shine, Keith P (Peer reviewed; Journal article, 2014)
      A large volcanic eruption might constitute a climate emergency, significantly altering global temperature and precipitation for several years. Major future eruptions will occur, but their size or timing cannot be predicted. ...
    • Direct and indirect global warming potentials of source gases 

      Fuglestvedt, Jan S.; Isaksen, Ivar S. A.; Wang, Wei-Chyung (CICERO Report;1994:01, Research report, 1994)
      Global Warming Potentials for emissions of CH4, CO and NOx that take into account indirect chemical effects have been estimated for five time horizons. The indirect effects of methane emissions that have been considered ...
    • Direkte og indirekte klimaeffekter av ozonnedbrytende stoffer 

      Fuglestvedt, Jan S.; Seip, Hans Martin (CICERO Policy Note;1999:07, Working paper, 1999)
      Viktige ozonnedbrytende stoffer som KFK-11 og KFK-12 er sterke drivhusgasser med direkte oppvarmingseffekt. Men fordi disse gassene bryter ned ozonlaget, har de også flere indirekte effekter som sannsynligvis virker ...
    • Effects of anthropogenic emissions on tropospheric ozone and its radiative forcing 

      Berntsen, Terje; Isaksen, Ivar S. A.; Fuglestvedt, Jan S.; Myhre, Gunnar; Larsen, T. Alsvik; Stordal, Frode; Freckleton, R. S.; Shine, Keith P. (CICERO Report;1997:02, Research report, 1997)
      Tropospheric ozone changes since pre-industrial times due to changes in emissions have been calculated by the University of Oslo global 3-D photochemical model. The radiative forcing caused by the increase in ozone has ...
    • Effects of reductions in stratospheric ozone on tropospheric chemistry through changes in photolysis rates 

      Fuglestvedt, Jan S.; Jonson, J. E.; Isaksen, Ivar S. A. (CICERO Report;1993:05, Research report, 1993)
      The observed reductions in stratospheric ozone since the late 1970s are likely to have affected the penetration of UV radiation into the troposphere. We have examined the sensitivity and the response of the tropospheric ...
    • Estimates of future climate based on SRES emission scenarios 

      Godal, Odd; Sygna, Linda; Fuglestvedt, Jan S.; Berntsen, Terje (CICERO Working Paper;2000:04, Working paper, 2000)
      The preliminary emission scenarios in the Special Report on Emission Scenario (SRES) developed by the Intergovernmental Panel on Climate Change (IPCC), will eventually replace the old IS92 scenarios. By running these ...