GHG Emissions

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CARB will not penalize reporting entities for incomplete Scope 1 and 2 emissions disclosures under SB 253, irritating lawmakers and raising the specter of oversight hearings.

By Joshua Bledsoe, Nikki Buffa, Betty M. Huber, and Matthew Green

On December 5, 2024, the California Air Resources Board (CARB) issued an Enforcement Notice for Senate Bill 253, the Climate Corporate Data Accountability Act (SB 253),1 stating that CARB will not penalize in-scope entities for incomplete compliance…

portion of trees against office buildings

In-scope entities should keep preparing for compliance with Senate Bills 253 and 261 as the lawsuit proceeds past an initial summary judgment motion.

By Joshua Bledsoe, Betty Huber, Nicole Valco, and Matthew Green

On November 5, 2024, in Chamber of Commerce of the United States of America et al. v. California Air Resources Board et al.,1 the US District Court for the Central District of California denied plaintiffs’ summary judgment motion which sought to declare…

William Jefferson Clinton Federal Building In Washington DC

New report raises social cost of carbon estimates, surpassing previous estimates by more than 250%.

By Joshua Bledsoe, Kevin Homrighausen, and John Detrich

On December 2, 2023, the US Environmental Protection Agency (EPA) released a final report that substantially increases estimates of the social cost of greenhouse gases (GHG), including carbon dioxide, methane, and nitrous oxide (collectively, SC-GHG). The report describes SC-GHG as “the monetary value of the net harm to society from emitting one metric ton of that GHG into the atmosphere in a given year.”[1] The new estimates are intended to serve as a tool for decision-makers, aiding in the cost-benefit analysis of actions that would reduce or increase GHG emissions. Indeed, federal agencies are expected to use the estimates in future rule-makings and in the environmental review of forthcoming projects.