Program on the Environment

Washington State’s Climate Commitment Act (CCA) represents a central component of the state’s strategy to reduce greenhouse gas emissions through a market-based cap-and-invest system. Under this model, regulated emitters purchase carbon allowances at auction, generating billions of dollars in public revenue that are reinvested into climate mitigation and resilience projects. However, the volatility of auction revenue and the emergence of a statewide budget crisis have introduced uncertainty into the long-term sustainability of these investments. The purpose of this study was to evaluate how CCA-generated funds have been historically allocated and how recent policy changes under HB 2251 may alter future spending outcomes. To accomplish this, I analyzed legislative text, budget documents, and account structures before and after the implementation of HB 2251, with a focus on how funds are distributed across programmatic categories. Findings show that while HB 2251 introduces minimal substantive policy change, it consolidates five funding accounts into two, increasing administrative flexibility and establishing a statutory requirement that 25% of funds support clean water and forest-related investments. However, programs lacking state-approved performance metrics—particularly natural climate solutions—are more vulnerable to funding reductions under declining revenue conditions. The restructuring of accounts, while beneficial for administrative efficiency, may reduce transparency and complicate tracking of climate outcomes. These findings highlight the need for improved reporting frameworks and standardized metrics to ensure equitable, accountable, and effective allocation of public climate funds.