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January 9, 2026 • 9:00 am - 10:00 am est

Rapid Response: The EU’s Carbon Border Adjustment Mechanism

On January 1, 2026, the European Union's highly-anticipated Carbon Border Adjustment Mechanism (CBAM) will take effect. Introduced in 2023, CBAM will require the importers of certain carbon-intensive goods...

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Rapid Response: The EU’s Carbon Border Adjustment Mechanism

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Climate Change

A Federal US Carbon Tax: Major Design Decisions and Implications

External Publications by Noah Kaufman • December 19, 2018

ARTICLE ABSTRACT

Avoiding the most dangerous risks of climate change requires increased policy ambition around the world, including strong federal-level action in the United States. Economists have long pointed to a carbon tax as an important part of any cost-effective portfolio of climate policies. A carbon tax would reduce emissions by raising the costs of carbon-intensive products, thus causing producers and consumers to factor the costs of climate change into their market decisions. The purpose of this commentary is to describe the major design decisions associated with a federal carbon tax, particularly carbon tax rates, revenue use, and regulatory changes. The authors analyze their implications on US energy markets, emissions, and the economy. They focus on two carbon tax scenarios that resemble federal legislation proposed in 2018, one by Democratic members of Congress led by Sheldon Whitehouse and one by Republican Congressmen led by Carlos Curbelo.

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Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary

On November 6, 2025, in the lead-up to the annual UN Conference of the Parties (COP30), the Center on Global Energy Policy (CGEP) at Columbia University SIPA convened a roundtable on project-based carbon credit markets (PCCMs) in São Paulo, Brazil—a country that both hosted this year’s COP and is well-positioned to shape the next phase of global carbon markets by leveraging its experience in nature-based solutions.

Summaries by Gautam Jain, Preetha Jenarthan, Victoria Barreto Vieira do Prado + 3 more • December 04, 2025
Regulatory Progress for Project-Based Carbon Credit Markets: Pre-COP30 Roundtable Summary
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Climate Change

A Federal US Carbon Tax: Major Design Decisions and Implications

External Publications by Noah Kaufman • December 19, 2018

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