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

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

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.

More news from the community

New community documentation portal released

The Model Documentation and Transparency working group has released a rebuilt documentation portal, with a common structure for describing model scope, versions and assumptions.

Overshoot Conference 2026: Launch of Call for Abstracts

When? November 24 – 25, 2026 Where? Beijing, China Hosted by Tsinghua University and International Institute for Applied Systems Analysis (IIASA) Submission Deadline: August 21, 2026 We’re pleased to share that abstract submissions are open for the Overshoot Conference 2026. Following the success of the inaugural Overshoot Conference in Laxenburg, Austria