Researchers at the University of Graz unveil that carbon dioxide removal capacities must be shared fairly between countries, just like emissions budgets, if the world is to meet the Paris Agreement’s 1.5°C target in the long term. Their study warns that weak climate policy and limited CO₂ removal capacity will create major injustices between countries. Julia Danzer and Gottfried Kirchengast estimate that the sustainable long-term capacity for annual CO₂ removal is less than 10% of today’s annual greenhouse gas emissions, making removal a scarce resource. They have developed a "computer game model" to explore different scenarios of fair and unfair allocation of removal rights across countries, finding that unfair control of some countries over CO₂ removal would exacerbate global inequalities. 

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