Conference Agenda
Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).
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Egg-timer session: Climate policy and trade Location: Auditorium J: Aina Uhde Session Chair: Brita Bye, Statistics Norway | |
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Unveil the Mist of Climate Club: Pathways to Global Climate Cooperation 1: Fudan University, School of Data Science, Shanghai, China; 2: Fudan University, Department of Environmental Science and Engineering, Shanghai, China; 3: Chinese Academy of Meteorological Sciences, State Key Laboratory of Severe Weather & Key Laboratory; 4: Fudan University, Fudan Development Institute, Shanghai, China; 5: Fudan University, Shanghai Institute for Energy and Carbon Neutrality Strategy, Shanghai, China; 6: Fudan University, Institute for Big Data, Shanghai, China; 7: Shanghai Academy of AI for Science, Shanghai, China; 8: Shanghai Innovation Institute, Shanghai, China Climate mitigation demands enhanced international cooperation, but current global efforts fall short of expectations. The concept of “climate club” has been proposed aiming at incentivizing broader collaboration with carbon tariffs and transfer payments. Predicting the effectiveness of a climate club involves a high degree of uncertainty and instability, due to the interdependence in countries’ strategies. This study establishes a hybrid model framework, linking a macroeconomic model with an Agent-Based Model to analyze the national behavior endogenously within a comprehensive global economy representation. By simulating 900 expansion pathways on the basis of tradeoff conditions from 6144 macroeconomic scenarios, we find that a climate club is capable of facilitating global collaboration towards the 2℃ goal. Expansion of a club is beneficial to its members, but some countries require subsidies to encourage participation. Joint initiation by major economies, especially developed economies can effectively limit the demand for subsidy within the carbon tariff revenue. While in other cases, the initiators may need to transfer part of their incremental economic and climate benefits from club expansion to new members. Even so, this would represent a Pareto improvement over the no-collaboration scenario. Setting scientifically grounded national targets, fully implementing NDCs and using global carbon market to encourage early action are also helpful for the climate club to facilitate global collaboration. However, the 1.5℃ target entails excessive abatement costs for all the countries, which hinders global collaboration. The findings of this study identify effective pathways for achieving global climate cooperation. The discussions on the elements of the climate club provide direction for the coming round of international climate negotiations. | |