California climate disclosure laws: Everything companies need to know

Get clear on SB 253 and SB 261—California’s landmark climate disclosure rules—and what they mean for your business.

California has passed the most comprehensive corporate climate disclosure laws in the U.S. Starting in 2026, thousands of companies must file emissions reports and climate risk disclosures with California regulators. This white paper explains who’s in scope, what’s required, and how to prepare.

Download the guide to learn:

• Key deadlines for SB 253 and SB 261, from the first reports in 2026 through tougher assurance in 2030.
• What’s required in each filing: emissions data (Scopes 1–3) and climate risk reports aligned to TCFD/ISSB.
• The stakes for non-compliance, including annual penalties of up to $500,000.
• How Watershed helps you prepare with AI-accelerated reporting, audit-ready data, and expert advisory.