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Taking stock of nationally determined contributions: Continued ratcheting of ambition is critical to limit global warming to 1.5°C

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How can the Global Stocktake (GST) enhance ambition to better align with the Paris Agreement's long-term goals?

New analysis identifies three important policy areas for decision makers to focus their ratcheting efforts during COP28 and the GST

Meet the CGS Experts!

Gokul Iyer, Associate Research Scholar, Fellow

Ryna Cui, Associate Research Director

James Edmonds, Senior Fellow

Nathan Hultman, Director

Haewon McJeon, Fellow

Gokul, I., R. Cui, J. Edmonds, A. Fawcett, N. Hultman, H. McJeon, Y. Ou, (2023). "Taking stock of nationally determined contributions: Continued ratcheting of ambition is critical to limit global warming to 1.5°C". One Earth Journal. https://doi.org/10.1016/j.oneear.2023.08.019

As countries take stock of progress made in accomplishing their climate goals ahead of COP28 this year, it is increasingly apparent that countries must ratchet ambition in policy areas such as non-CO2 gases and carbon dioxide removal, while halting deforestation to lead the globe on a path consistent with the goals of the Paris Agreement.


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