Overview of California SB 253 and 261

by John Shideler published on February 06, 2026

CA SB 253 is the Climate Corporate Data Accountability Act that requires large Corporations doing business in California to publicly report their Scope 1, 2 and 3 emissions annually starting with Scope 1 and 2 in 2026 and Scope 3 in 2027. SB 261 requires large corporations doing business in California to report their climate related financial risks.

This webinar recording will provide an overview of these requirements and practical guidance on compliance.

Speaker

John Shideler

John Shideler – Managing Director • Omnex S3 Futurepast Inc. John Shideler is an environmental consultant with 26 years of experience who specializes in greenhouse gas management. He has extensive expertise in environmental, health, and safety management systems across diverse sectors, including oil, gas, coal, manufacturing, mining, metals, and transportation. Shideler serves as a US expert on ISO Technical Committee 207 SubTag 7 on Greenhouse Gas Management. He holds certifications in greenhouse gas management validation and verification and currently is helping to write ISO 14019, Validation and verification of sustainability statements. Shideler is based in Arlington, Virginia, and consults with clients worldwide.