Climate regulatory compliance is fast becoming the new normal for businesses worldwide, especially with fresh rules rolling out and others being contested. Let’s unpack some of the latest real-world developments to see what companies are grappling with and how these changes might ripple across industries.
California’s Tougher Climate Reporting Rules Take Shape California is not holding back on its climate game. The California Air Resources Board (CARB) is gearing up to enforce new emissions reporting under SB 253 and SB 261. Starting June 30, 2026, companies will have to report greenhouse gas emissions—Scope 1 and 2 data, covering direct emissions and purchased electricity use. But here’s the kicker: these reports will be public, and entities will post them on an official docket, promoting transparency.
This isn’t just paperwork. CARB is currently fine-tuning the deadlines and data templates, asking businesses to weigh in on how to make compliance less painful. For larger companies making over $500 million annually, there are added rules to disclose climate-related financial risks by January 1, 2026. Imagine it like balancing your financial books but factoring in potential climate impacts, such as extreme weather or regulatory shifts.
However, navigating this new landscape hasn’t been smooth sailing. The U.S. Chamber of Commerce and others have challenged these mandates in court, citing constitutional concerns. But so far, courts have upheld most provisions, signaling that climate transparency is increasingly unavoidable.
EPA’s Proposed Rollback Throws a New Twist Into Power Plant Regulations On the other side of the country, the Environmental Protection Agency (EPA) is shaking things up by proposing to roll back certain climate and power plant regulations that were aimed at reducing emissions. This move is part of a broader political and regulatory tug-of-war, echoing previous deregulatory agendas.
For energy developers and data centers, these rollbacks could cut costs by easing carbon capture requirements, potentially reshaping the economics of fossil fuel use. Yet, these proposals are not set in stone—they face intense legal battles, and the final outcome could land anywhere from tighter regulations to more leeway for traditional energy sources.
Europe’s Sustainability Reporting Revamp Offers a Blueprint for Clarity Meanwhile, crossing the Atlantic, the European Union is refining its sustainability reporting rules via the European Sustainability Reporting Standards (ESRS). After criticism that the original standards were too complex and costly, revisions released in July 2025 aim to streamline and clarify what companies must disclose.
This rethink is designed to reduce the reporting burden while aligning EU rules with global standards, making it easier for firms to speak a common language when it comes to their environmental impacts.
What Does This Mean for Businesses?
- Transparency is king. More jurisdictions are demanding clear emissions and risk disclosures.
- Compliance is evolving. Deadlines, definitions, and reporting formats are still being finalized, so firms must stay agile.
- Legal landscapes are shifting. Challenges and rollbacks mean uncertainty, but climate-related rules are here to stay.
- Global convergence is underway. Standardized frameworks are gaining momentum, helping companies streamline international reporting.
For companies, navigating this maze might seem daunting, but getting ahead of these compliance curves is critical—not just for meeting the law but for staying competitive in a business world where climate accountability is increasingly demanded by consumers, investors, and regulators.
This evolving regulatory landscape is like a changing tide: those who adjust their sails today will be best positioned to thrive tomorrow.
References:
- https://www.cov.com/en/news-and-insights/insights/2025/08/litigation-and-implementation-updates-on-california-climate-disclosure-laws-sb-253-and-sb-261
- https://www.jw.com/news/insights-epa-proposed-rollback-climate-power-plant-regulations/
- https://www.ropesgray.com/en/insights/viewpoints/102l0k7/california-air-resources-board-addresses-the-who-what-how-and-when-of-californi
- https://www.jdsupra.com/legalnews/what-companies-need-to-know-to-ensure-1487273/
- https://asuene.com/us/blog/inside-the-revised-esrs-what-the-july-2025-exposure-drafts-mean-for-companies
