Union of Concerned Scientists

JULY 29, 2024

My colleague Dr. Kristy Dahl and I arrived in Sofia, Bulgaria, last week for the 61st session of the United Nations’ Intergovernmental Panel on Climate Change (IPCC). These documents offer an internationally accepted summary of the state of climate science, and form the backbone of many legal briefs I prepare.

Climate Change 312

Climate Change Fossil Fuels Carbon Dioxide Paris Agreement 312

Union of Concerned Scientists

MARCH 6, 2025

This past week, I attended the Intergovernmental Panel on Climate Change (IPCC) meeting in Hangzhou, China. In previous posts, Ive explained what the IPCC is, why this assessment cycle is crucial , and highlighted its role in climate action. Ultimately, delegates decided to postpone setting any hard deadlines.

Climate Change 244

Climate Change Carbon Dioxide Technology Technology 244

Union of Concerned Scientists

JANUARY 22, 2024

The 60th session of the Intergovernmental Panel on Climate Change (IPCC) concluded on Friday, culminating in a marathon 26-hour final session that underscored the urgency and complexity of global climate discussions. The IPCC also decided to organize an expert meeting on carbon dioxide removal technologies.

2028 299

2028 Paris Agreement Climate Change 2027 299

Union of Concerned Scientists

MARCH 6, 2025

This past week, I attended the Intergovernmental Panel on Climate Change (IPCC) meeting in Hangzhou, China. In previous posts, Ive explained what the IPCC is, why this assessment cycle is crucial , and highlighted its role in climate action. Ultimately, delegates decided to postpone setting any hard deadlines.

Climate Change 147

Climate Change Carbon Dioxide Technology Technology 147

Union of Concerned Scientists

JANUARY 16, 2024

I’m currently in Istanbul, Türkiye, with my colleague Adam Markham , for the opening session of the Intergovernmental Panel on Climate Change (IPCC) seventh assessment cycle. While the global understanding of climate change is well-established, the world’s response remains sluggish.

Climate Change 325

Climate Change Paris Agreement 2028 Greenhouse 325

Union of Concerned Scientists

JANUARY 29, 2024

The Intergovernmental Panel on Climate Change (IPCC) met in Istanbul, Türkiye, in January 2024 to try to agree on the core scientific products it will produce in its 7 th assessment cycle (AR7). Results from the meeting were published in 2022 as the Global Research and Action Agenda on Culture, Heritage and Climate Change.

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Climate Change Paris Agreement 2028 2030 338

Real Climate

AUGUST 9, 2021

Of all the troubling headlines emerging from the release of the Intergovernmental Panel on Climate Change (IPCC) WG1 report, one warning will surely dominate headlines in the next days and weeks: Earth is likely to reach the crucial 1.5? scenario, which showed crossing times of around 2028. warming limit in the early 2030s.

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Paris Agreement 2030 2018 2015 363