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The paper analyzes the role of fairness in international climate negotiations, distinguishing between intention-driven fairness (based on current motives) and consequence-driven fairness (based on historical responsibility). Using game-theoretic models, the authors argue that increasing fairness perceptions in developing countries can shift negotiation dynamics from non-cooperative states (like the Prisoners' Dilemma) toward cooperative ones. The study evaluates how different support mechanisms—such as carbon sequestration, adaptation funds, and the Green Climate Fund—can be designed to signal kindness and compensate for historical emissions to foster global cooperation.