Oct 11, 2023 - News

California will require corporate emissions disclosures

Illustration of a briefcase with three smoke stacks with carbon fumes coming out.

Illustration: Aïda Amer/Axios

California is forcing large corporations to go public with their contributions and financial exposure to climate change.

Driving the news: Gov. Gavin Newsom signed two bills last weekend — SB 253 and SB 261 — requiring large corporations to disclose their annual greenhouse gas emissions and climate-related financial risks.

Why it matters: The measures set the strictest corporate emissions disclosure requirements in the country, and exceed proposed nationwide rules released by the Securities and Exchange Commission in 2022.

What they're saying: Climate groups backed the bills, while industry and business groups opposed them; Newsom split the difference by signing the measures into law while voicing his concerns on their effect.

  • "This important policy, once again, demonstrates California's continued leadership with bold responses to the climate crisis, turning information transparency into climate action," he wrote in a signing statement.
  • "However, the implementation deadlines in this bill are likely infeasible, and the reporting protocol specified could result in inconsistent reporting across businesses subject to the measure."

Zoom out: Other blue states are already eyeing similar measures, Politico reported Tuesday, but both backers and opponents of California's new laws are saying a patchwork of disclosure requirements across states is a bad idea.

Details: The California Air Resources Board needs to formalize the emissions disclosure regulations by the start of 2025, and U.S. companies with revenues of more than $1 billion will start disclosure in 2026.

  • Companies with revenues over $500 million — not including insurance companies — need to announce their climate-related financial risk by the start of 2026, and then every two years.

The intrigue: Disclosure of "scope 3" emissions — emissions associated with all the companies up and down a company's value chain — encountered the most significant lobbying against the bills, and the California Chamber of Commerce said it will work with Newsom next year on "clean up" legislation to address its members' concerns.

  • The San Diego Regional Chamber of Commerce declined to comment ahead of Newsom signing the legislation and referred questions to CalChamber.

Reality check: Some of San Diego's biggest corporations already report greenhouse gas emissions and risks.

Zoom in: Illumina, a leading biotechnology company in DNA-sequencing, has voluntarily reported since 2020 on 2019 data as it works toward net zero emissions, according to a company official.

  • Regarding SB 253, Illumina voluntarily discloses data on climate emissions for scope 1, 2 and 3 that is already externally verified to a limited assurance level.
  • Regarding SB 261, Illumina already prepares its voluntary disclosure using the recommended framework and measures taken to reduce and adapt to climate-related financial risk. The reports are already verified by an independent third-party.
  • The company plans to further assess compliance.

What they're saying: "We approach reducing the environmental footprint of our facilities by focusing on green building design, optimizing energy, reducing water and waste, and expanding the use of renewable electricity," Sharon Vidal, Illumina's head of corporate social responsibility, told Axios in an emailed statement.


Get more local stories in your inbox with Axios San Diego.


Support local journalism by becoming a member.

Learn more

More San Diego stories

No stories could be found

San Diegopostcard

Get a free daily digest of the most important news in your backyard with Axios San Diego.


Support local journalism by becoming a member.

Learn more