Some climate change impacts rise fast with little warming, and then taper off. To avoid diminishing incentives to reduce emissions and inadvertently slipping into a lower-welfare world, mitigation policy needs to be ambitious early on.
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Ricke, K., Moreno-Cruz, J., Schewe, J. et al. Policy thresholds in mitigation. Nature Geosci 9, 5–6 (2016). https://doi.org/10.1038/ngeo2607
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DOI: https://doi.org/10.1038/ngeo2607
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