The Sustainability Signal
A weekly AI-powered newsletter for sustainability professionals who need to stay ahead of ESG regulation, AI disruption, and corporate disclosure trends. Curated by Martin — scanning hundreds of sources so nothing slips through. Free.
What You'll Get
Six sections, every week. Each one designed to give you something you can act on.
The Big Story
01Each week's most important development — broken down with what changed, who's affected, and a specific Monday morning action you can take.
AI x Sustainability
02Where artificial intelligence meets ESG. New models, energy implications, governance gaps, and practical experiments you can try this week.
Climate & Environment
03Climate science and environmental policy translated for corporate reporters. Emissions data, SBTi updates, physical risk events, and what they mean for disclosure.
Regulatory & Policy
04New rules, consultations, and deadlines across CSRD, ISSB, SEC, and emerging frameworks. What changed, who’s affected, key dates, and what to do.
Corporate & Finance
05Company analysis, sustainable finance moves, greenwashing cases, and sector trends. What the market is actually doing.
Martin’s Take
06Original analysis connecting the week's dots. Consultant-grade insight on what works, what doesn’t, and what nobody else is telling you.
Recent Issues
Real issues, already published. Here's what you've been missing.
“The EU Omnibus Takes Effect Tuesday: Who's Still In Scope? | The Sustainability Signal”
Iran energy shock hits AI, EU bans "carbon neutral" claims, Singapore sets climate rules
Read issue“Three Definitions of Sustainability Competed This Week | The Sustainability Signal”
Plus: MIT halves AI training costs, Pentagon vs. Anthropic, EPA moves to end emissions reporting
Read issue“The EU Just Made Sustainability Reporting Optional for 90% of Companies | The Sustainability Signal”
EU Omnibus adopted, UK SRS published, and Trump's data centre energy pledge
Read issue“"Net Zero Is Never Gonna Happen" — US Energy Secretary”
US ultimatum to global energy watchdog, ECB slams Omnibus, and 38% of American CEOs say sustainability isn't a priority
Read issue“Anti-ESG Laws Are Unconstitutional. Now What? | The Sustainability Signalw Post”
Federal judge declares first-ever anti-ESG law unconstitutional on free speech grounds
Read issueWhy Subscribe
Join sustainability professionals getting the signal every week.
Every Monday morning. Straight to your inbox.