Map
RGGI states
Last Updated May 2024.
Publication
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 …
Publication
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 …