Due to the future increase in the sea ice-albedo feedback, full decarbonization of the global economy 5-15 years earlier than expected is required to meet targets set by the Paris Agreement. Limiting increased warming to 1.5°C is unachievable without negative carbon emissions.

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Due to the future increase in the sea ice-albedo feedback, full decarbonization of the global economy 5-15 years earlier than expected is required to meet targets set by the Paris Agreement. Limiting increased warming to 1.5°C is unachievable without negative carbon emissions.