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Delays and Disagreements: The IPCC’s Struggle to Stay on Course

Union of Concerned Scientists

Working Group 3: Mitigation of Climate Change Evaluates pathways for reducing greenhouse gas emissions, sustainable development strategies, and the role of finance, technology, and policy in achieving net-zero emissions. Ultimately, delegates decided to postpone setting any hard deadlines.

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Proposed Electrolyzer Requirements for the Hydrogen Tax Credit: Strengths and Risks

Union of Concerned Scientists

Foremost among these is a legal memo from EPA regarding Treasury’s interpretation and implementation of “lifecycle greenhouse-gas emissions” in 45V. The proposed regulations require a shift to hourly matching for all hydrogen producers in 2028—including those operating before that date who are allowed to use annual matching in the interim.

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Inside the IPCC 61st Plenary Meeting: Debates and Decisions Shaping Climate Policy

Union of Concerned Scientists

Outline of a Methodology Report on Short-Lived Climate Forcers Since 2006, the IPCC has provided methodologies that governments around the world use to estimate their greenhouse gas emissions. The IPCC will issue a call for authors in the upcoming weeks with expected publication of the report in the second half of 2027.

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Delays and Disagreements: The IPCC’s Struggle to Stay on Course

Union of Concerned Scientists

Working Group 3: Mitigation of Climate Change Evaluates pathways for reducing greenhouse gas emissions, sustainable development strategies, and the role of finance, technology, and policy in achieving net-zero emissions. Ultimately, delegates decided to postpone setting any hard deadlines.

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Why the IPCC 7th Assessment Matters

Union of Concerned Scientists

Many would like to see the next assessment reports completed earlier than the typical 6-7 year cycle to better align with the second UNFCCC Global Stocktake due in 2028. While the IPCC is independent of any policymaking, the outputs are critical to inform policy work. What will future meetings look like?

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UCS Testimony on the Clean Hydrogen Production Tax Credit

Union of Concerned Scientists

UCS supports Treasury’s proposed temporal-matching requirement, with a phase-in of hourly matching by 2028 with no exemptions for legacy producers. Overall approach Treasury has correctly adhered to the statutory text in setting its overall approach to implementation. Hourly matching.

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China’s oil demand could peak in 2025

A Greener Life

The forecast also predicts that Chinas overall fossil fuel demand will peak in 2028, coinciding with the peak in energy-related carbon emissions. The country has so far pledged to peak greenhouse gas emissions before 2030 and achieve carbon neutrality by 2060.

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