What’s Next for California Climate Rules: Practical Guidance on SB 253, GHG Accounting, and Peer Benchmarking

California’s Climate Corporate Data Accountability Act (SB 253) introduces greenhouse gas (GHG) disclosure requirements for companies with more than $1 billion in annual revenue doing business in the state. On February 26th 2026, the California Air Resources Board (CARB) approved the adoption of the California Greenhouse Gas Reporting and Climate Financial Risk Disclosure Initial Regulation and established a submission deadline of August 10, 2026, for SB 253 reporting.

As the law phases in, covered companies will need to report their GHG emissions and obtain third‑party assurance—starting with limited assurance for Scopes 1 and 2, progressing to reasonable assurance in later years, and eventually adding limited assurance for Scope 3.

In this webinar, our experts will share the latest updates on California’s climate disclosure rules—and, more recently, New York’s requirements—along with key developments in the GHG Protocol. We’ll walk through real-world GHG accounting examples, unpack the assumptions behind complex organizational structures, and demonstrate how peer benchmarking can support an effective climate strategy.

You’ll hear from our experts on:

• Regulatory updates: The latest on California’s climate disclosure rules, New York’s new GHG disclosure legislation, and recent changes to the GHG Protocol.
• SB 253 preparation: Core requirements, upcoming deadlines, and steps  companies should take now.
• Practical GHG accounting: A clear walkthrough using real‑world examples and common reporting scenarios.
• Benchmarking for climate strategy: How peer data can inform target‑setting, strengthen compliance readiness, and guide long-term climate strategy.