Callaway Climate Insights

Callaway Climate Insights

Good news on the climate data disclosure front

Climate-focused investors will be cheering California’s more comprehensive disclosure rules

Mark Hulbert's avatar
Mark Hulbert
Sep 16, 2026
∙ Paid

This column is for Callaway Climate Insights subscribers only, but it’s OK to share once in a while. Was it shared with you? Please subscribe.

(Mark Hulbert, an author and longtime investment columnist, is the founder of the Hulbert Financial Digest; his Hulbert Ratings audits investment newsletter returns.)

CHAPEL HILL, N.C. (Callaway Climate Insights) — The news isn’t all bad on the climate data disclosure front, though you have to look hard to see the good news.

The bad news on this front was the Trump Administration’s decision last year to roll back the climate disclosure rules the Biden Administration had adopted in 2024. The good news is that individual states — most prominently California — have passed laws that in many ways resurrect the rules that the Trump Administration eliminated.

Keep reading with a 7-day free trial

Subscribe to Callaway Climate Insights to keep reading this post and get 7 days of free access to the full post archives.

Already a paid subscriber? Sign in
© 2026 David Callaway · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture