Cap and Trade

RGGI states

Last Updated May 2024.

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California Cap and Trade
Market-Based State Policy
Regional Greenhouse Gas Initiative (RGGI)
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Status Update on RGGI and Lessons Learned on Cap and Trade
Understanding California’s Extended Cap-and-Trade Program
Summary of California’s Extension of its Cap-and-Trade Program

On July 26, 2017, California Governor Jerry Brown signed into law a bipartisan bill that extends the state’s cap-and-trade program to 2030. Cap and trade is a key part of California’s plan to reduce greenhouse gas emissions 40 percent below …

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Containing the Costs of Climate Policy

This policy brief outlines various options for containing costs under a cap-and-trade program to reduce greenhouse gas (GHG) emissions. Although cap and trade is generally considered a more cost-effective approach than traditional regulation, excessive allowance prices are a concern. High …

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