Insights
Regulation, measurement method, and category-by-category breakdowns from the Scope 3 Emissions research desk — updated every few days.
Reduced emissions and sequestered carbon are accounted for differently, and regenerative agriculture claims need measurement rigor to survive that distinction.
Traceability data built for deforestation-free due diligence rules doubles as the supplier-specific evidence Scope 3 land-use-change accounting needs.
Agriculture & Land UseHow methane from ruminant digestion and manure storage flows into a food company's Category 1 purchased goods footprint, and why it's hard to measure well.
Reporting StandardsA practical architecture for measuring Scope 3 once at the GHG Protocol category level, then mapping that single dataset into ESRS E1, BRSR Core, SB 253 and other formats.
Reporting StandardsA practical look at limited versus reasonable assurance, what auditors actually test, and why Scope 3 inventories resist high-confidence sign-off.
Reporting StandardsThe GHG Protocol Scope 3 Standard and ISO 14064-1 are compatible but built for different jobs — one for categorization, one for certification.
Supply ChainSequencing supplier decarbonization the way regulators phase in disclosure rules — education first, scoring later, contracts last — cuts attrition risk without softening ambition.
Supply ChainCDP's Supply Chain program standardizes supplier disclosure requests, but it's a data-collection layer to combine with direct engagement, not a replacement for it.
Supply ChainMost supplier emissions questionnaires fail because they ask for numbers suppliers don't have — here's how to design one they can actually fill out.
Measurement & DataFor banks, asset managers, and insurers, Category 15 investments aren't one line among many — they're nearly the whole footprint, and PCAF sets the rules for counting them.
Measurement & DataHow to measure Scope 3 Categories 6 and 7, and why these small-emissions categories carry outsized visibility with employees and boards.
Measurement & DataA base year is only useful if you know when GHG Protocol principles require you to recalculate it — here's how that logic works.
Measurement & DataA practical comparison of spend-based and activity-based Scope 3 estimation methods, and where each sits on the GHG Protocol data quality hierarchy.
Regulation & PolicyIFRS S2 is becoming the common reference point behind CSRD, SEC, and California disclosure rules, not a fourth reporting regime to manage separately.
Regulation & PolicySB 253 is an emissions disclosure law; SB 261 is a financial risk disclosure law — conflating them leads to compliance gaps.
Regulation & PolicyCSRD doesn't hit every company on the same day — it phases in by size and listing status, and it can reach non-EU parents through their EU subsidiaries.
India FocusIndia's compliance carbon market is live. For the first wave of obligated entities, here's the baseline data to have ready before targets are notified.
Regulation & PolicyThe EU's Carbon Border Adjustment Mechanism turns embedded-emissions reporting into real financial exposure for exporters. Here's what Indian manufacturers need in place.
Reporting StandardsSEBI's BRSR Core and the EU's CSRD both demand Scope 3 disclosure — but the assurance thresholds, categories, and timelines don't line up. A side-by-side for dual-listed companies.
Measurement & DataFrom purchased goods to end-of-life treatment, each Scope 3 category has its own accounting logic. Here are all 15, with worked examples from real value chains.
Supply ChainMost suppliers can't hand you primary emissions data on request. Here's a practical engagement sequence that gets real numbers instead of spend-based guesses.
Agriculture & Land UseDeforestation-linked land-use change can dwarf every other emissions source in a food company's inventory — and it's the category most companies still estimate the loosest.
Measurement & DataFor manufacturers of anything that runs on electricity or fuel, the emissions happen mostly after the sale. Here's how Category 11 accounting actually works.
Regulation & PolicyLitigation has reshaped the SEC's climate rule more than once. Here's the current state of Scope 3 requirements for US-listed companies, and what to prepare for anyway.