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    • Reforestation and climate change mitigation: A background study for Joint Implementation in China and Indonesia 

      Gan, Lin; Næss, Lars Otto; Kasa, Sjur; O'Brien, Karen (CICERO Report;1998:03, Research report, 1998)
      This paper discusses the importance of institutional barriers in promoting reforestation as a means of mitigating global climate change. It is argued that cost-effective implementation of reforestation depends on proper ...

    • Regime lessons from ocean dumping of radioactive waste 

      Ringius, Lasse (CICERO Working Paper;1994:09, Working paper, 1994)
      Standard explanations for international environmental regime change do not account for the 1993 ban by states on ocean dumping of radioactive waste. This significant development was in large part caused by a trans-national ...

    • The Regional Aerosol Model Intercomparison Project (RAMIP) 

      Wilcox, Laura J.; Allen, Robert J.; Samset, Bjørn Hallvard; Bollasina, Massimo A.; Griffiths, Paul T.; Keeble, James; Lund, Marianne Tronstad; Makkonen, Risto; Merikanto, Joonas; O'Donnell, Declan; Paynter, David J.; Persad, Geeta G.; Rumbold, Steven T.; Takemura, Toshihiko; Tsigaridis, Kostas; Undorf, Sabine; Westervelt, Daniel M. (Peer reviewed; Journal article, 2023)
      Changes in anthropogenic aerosol emissions have strongly contributed to global and regional trends in temperature, precipitation, and other climate characteristics and have been one of the dominant drivers of decadal trends ...

    • Regional temperature change potentials for short-lived climate forcers based on radiative forcing from multiple models 

      Aamaas, Borgar; Berntsen, Terje Koren; Fuglestvedt, Jan S.; Shine, Keith P.; Collins, William J (Journal article; Peer reviewed, 2017)
      We calculate the absolute regional temperature change potential (ARTP) of various short-lived climate forcers (SLCFs) based on detailed radiative forcing (RF) calculations from four different models. The temperature response ...

    • Relationships between physical effects of climate change on forests and economic impacts by world region 

      Aaheim, H. Asbjørn; Wei, Taoyuan (CICERO Report;2020:02, Report, 2020-05)
      This study projects the macroeconomic consequences of impacts of climate change on forests by world regions under the three Representative Concentration Pathways, RCP2.6, RCP4.5, and RCP8.5 until 2100. It is based on ...

    • Reply to: Uncertainty in near-term temperature evolution must not obscure assessments of climate mitigation benefits 

      Samset, Bjørn Hallvard; Fuglestvedt, Jan S.; Lund, Marianne Tronstad (Peer reviewed; Journal article, 2022)
      In response to our recent paper1 (hereafter SFL20) concerning the relation between natural variability in the climate system and the time to detect a response to emissions mitigation, Lanson et al.2 (hereafter L22) call ...

    • The Representation of Sea Salt Aerosols and Their Role in Polar Climate Within CMIP6 

      Lapere, Rémy; Thomas, Jennie L.; Marelle, Louis; Ekman, Annica M. L.; Frey, Markus M.; Lund, Marianne Tronstad; Makkonen, Risto; Ranjithkumar, Ananth; Salter, Matthew E.; Samset, Bjørn Hallvard; Schulz, Michael; Sogacheva, Larisa; Yang, Xin; Zieger, Paul (Peer reviewed; Journal article, 2023)
      Natural aerosols and their interactions with clouds remain an important uncertainty within climate models, especially at the poles. Here, we study the behavior of sea salt aerosols (SSaer) in the Arctic and Antarctic within ...

    • Representing storylines with causal networks to support decision making: Framework and example 

      Kunimitsu, Taro; Baldissera Pacchetti, Marina; Ciullo, Alessio; Sillmann, Jana; Shepherd, Theodore G.; Taner, Mehmet Ümit; van den Hurk, Bart (Peer reviewed; Journal article, 2023)
      Physical climate storylines, which are physically self-consistent unfoldings of events or pathways, have been powerful tools in understanding regional climate impacts. We show how embedding physical climate storylines into ...

    • Republic of Indonesia (ROI) 

      CICERO Center for International Climate Research (Second opinions;2018:002, Report, 2018-01-23)
      Category: Second Opinion, Sector: National Government, Issuer type: National Government, Shading: Medium Green

    • Research priorities for negative emissions 

      Fuss, Sabine; Jones, Chris D.; Kraxner, Florian; Peters, Glen Philip; Smith, Pete; Tavoni, Massimo; van Vuuren, Detlef Peter; Canadell, Josep G.; Jackson, Robert B.; Milne, Jennifer L.; Moreira, José Roberto; Nakicenovic, Nebojsa; Sharifi, Ayyoob; Yamagata, Yoshiki (Peer reviewed; Journal article, 2016)
      Carbon dioxide removal from the atmosphere (CDR)—also known as 'negative emissions'—features prominently in most 2 °C scenarios and has been under increased scrutiny by scientists, citizens, and policymakers. Critics argue ...

    • Response to marine cloud brightening in a multi-model ensemble 

      Stjern, Camilla Weum; Muri, Helene; Ahlm, Lars; Boucher, Olivier; Cole, Jason N.S.; Ji, Duoying; Jones, Andy; Haywood, Jim M.; Kravitz, Ben; Lenton, Andrew; Moore, John C.; Niemeier, Ulrike; Phipps, Steven J.; Schmidt, Hauke; Watanabe, Shingo; Kristjansson, Jon Egill (Peer reviewed; Journal article, 2018)

    • Response to marine cloud brightening in a multi-model ensemble 

      Stjern, Camilla Weum; Muri, Helene; Ahlm, Lars; Boucher, Olivier; Cole, Jason N.S.; Ji, Duoying; Jones, Andy; Haywood, Jim M.; Kravitz, Ben; Lenton, Andrew; Moore, John C.; Niemeier, Ulrike; Phipps, Steven J.; Schmidt, Hauke; Watanabe, Shingo; Kristjansson, Jon Egill (Journal article, 2017)
      Here we show results from Earth System Model simulations from the marine cloud brightening experiment G4cdnc of the Geoengineering Model Intercomparison Project (GeoMIP). The nine contributing models prescribe a 50 % ...

    • Responses in tropospheric chemistry to changes in UV fluxes, temperatures and water vapour densities 

      Fuglestvedt, Jan S.; Jonson, J. E.; Wang, Wei-Chyung; Isaksen, Ivar S. A. (CICERO Report;1994:05, Research report, 1994)
      A two-dimensional chemistry/transport model of the global troposphere is used to study the chemical response to i) increased UV-radiation from stratospheric ozone depletion and ii) increased temperatures and water vapour ...

    • Responses in tropospheric O3, OH and CH4 to changed emissions of important trace gases 

      Fuglestvedt, Jan S.; Berntsen, Terje Koren; Isaksen, Ivar S. A. (CICERO Report;1993:04, Research report, 1993)
      A two-dimensional (altitude vs. latitude) photochemical/transport model of the global troposphere is applied to study the effects of changed emissions of NOx, CH4, CO2 and NMHC on the levels of O3, OH and CH4. On a mass ...

    • Responses of Arctic black carbon and surface temperature to multi-region emission reductions: A Hemispheric Transport of Air Pollution Phase 2 (HTAP2) ensemble modeling study 

      Nan-nan, Zhao; Dong, Xinyi; Huang, Kan; Fu, Joshua S.; Lund, Marianne Tronstad; Sudo, Kengo; Henze, Daven K.; Kucsera, Tom; Lam, Yun Fat; Chin, Mian; Tilmes, Simone (Journal article; Peer reviewed, 2021)
      Black carbon (BC) emissions play an important role in regional climate change in the Arctic. It is necessary to pay attention to the impact of long-range transport from regions outside the Arctic as BC emissions from local ...

    • A review of coarse mineral dust in the Earth system 

      Adebiyi, Adeyemi; Kok, Jasper F.; Murray, Benjamin J.; Ryder, Claire L.; Stuut, Jan-Berend W.; Kahn, Ralph A.; Knippertz, Peter; Formenti, Paola; Mahowald, Natalie M.; Pérez García-Pando, Carlos; Klose, Martina; Ansmann, Albert; Samset, Bjørn Hallvard; Ito, Akinori; Balkanski, Yves; Di Biagio, Claudia; Romanias, Manolis N.; Huang, Yue; Meng, Jun (Peer reviewed; Journal article, 2023)
      Mineral dust particles suspended in the atmosphere span more than three orders of magnitude in diameter, from <0.1 μm to more than 100 μm. This wide size range makes dust a unique aerosol species with the ability to interact ...

    • A review of trends and drivers of greenhouse gas emissions by sector from 1990 to 2018 

      Lamb, William F.; Wiedmann, Thomas O; Pongratz, Julia; Andrew, Robbie; Crippa, Monica; Olivier, Jos G. J.; Wiedenhofer, Dominik; Mattioli, Giulio; Khourdajie, Alaa Al; House, Jo; Pachauri, Shonali; Figueroa, Maria J.; Saheb, Yamina; Slade, Raphael; Hubacek, Klaus; Sun, Laixiang; Ribeiro, Suzana Kahn; Khennas, Smail; De La Rue Du Can, Stephane; Chapungu, Lazarus; Davis, Steven J.; Bashmakov, Igor; Dai, Hancheng; Dhakal, Shobhakar; Tan, Xianchun; Geng, Yong; Gu, Baihe; Minx, Jan (Journal article; Peer reviewed, 2021)
      Global greenhouse gas (GHG) emissions can be traced to five economic sectors: energy, industry, buildings, transport and AFOLU (agriculture, forestry and other land uses). In this topical review, we synthesise the literature ...

    • Right-wing populism and climate policies: Explaining opposition to road tolls in Norway 

      Aasen, Marianne; Sælen, Håkon (Peer reviewed; Journal article, 2022)
      In 2019, the road toll uproar in Norway contributed to a governmental crisis and road tolls became the most debated issue in the media. Using survey data of around 2,000 respondents, we explore what characterizes opponents ...

    • The role of community sharing in sustainability transformation: case studies from Norway 

      Westskog, Hege; Julsrud, Tom Erik; Kallbekken, Steffen; Frenken, Koen; Schor, Juliet; Standal, Karina (Journal article; Peer reviewed, 2021)
      Based on three case studies of community sharing in different sectors of society, we address how and under what conditions community sharing can contribute to sustainability transformation. Considering modes of exchange ...

    • The role of spatial and temporal model resolution in a flood event storyline approach in western Norway 

      Schaller, Nathalie; Sillmann, Jana; Müller, Malte; Haarsma, Reindert; Hazeleger, Wilco; Hegdahl, Trine Jahr; Kelder, Timo; van den Oord, Gijs; Weerts, Albrecht; Whan, Kirien (Journal article; Peer reviewed, 2020)
      We apply a physical climate storyline approach to an autumn flood event in the West Coast of Norway caused by an atmospheric river to demonstrate the value and challenges of higher spatial and temporal resolution in ...