California AB1243 establishes a Polluters Pay Climate Superfund to address climate change damages caused by fossil fuel emissions.
California AB1243, the Polluters Pay Climate Superfund Act of 2025, aims to hold fossil fuel companies accountable for their contribution to climate change. The act establishes a fund to collect charges from responsible parties, defined as entities that extracted or refined fossil fuels between 1990 and 2024. The California Environmental Protection Agency will assess these charges based on the companies' emissions and the total damage amount determined by a climate cost study.
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