Insights

Practical writing on carbon accounting and CSRD.

Regulatory explainers, emission factor methodology, and Scope 3 data collection guides — written for the finance and sustainability teams who have to do the actual disclosure work.

EU and US flag graphic with corporate sustainability reporting concept
Regulatory Sep 18, 2025

What CSRD Means for US Companies with EU Operations

The EU Corporate Sustainability Reporting Directive now reaches beyond European borders. Here's what US companies need to know — and when.

Read — 7 min
Supply chain diagram illustrating Scope 3 emission categories
Technical Oct 14, 2025

A Practical Guide to Scope 3 Categories 1–15

What each of the 15 GHG Protocol Scope 3 categories covers, which calculation method applies (spend-based vs activity-based), and how to prioritise based on materiality.

Read — 11 min
Scale balance comparing carbon measurement and carbon offset certificates
Strategy Nov 20, 2025

Carbon Accounting vs Carbon Offsets: Why Measurement Comes First

Buying carbon credits before you have a verified baseline is like paying off an unknown bill.

Read — 6 min
ESRS E1 compliance checklist document concept
Regulatory Dec 18, 2025

ESRS E1 Reporting Checklist for Finance Teams

ESRS E1 requires disclosures across transition plans, physical risk, carbon targets, and Scope 1/2/3 emissions.

Read — 8 min
Data table showing emission factor calculations from scientific sources
Methodology Jan 22, 2026

Emission Factors Explained: Where the Numbers Come From

Every CO₂e figure in a GHG inventory is a product of activity data multiplied by an emission factor. This post explains where those factors come from — IPCC AR6, EPA, DEFRA, Ecoinvent — and why the source citation matters for audit readiness.

Read — 9 min
Double materiality matrix diagram with financial and impact axes
Regulatory Feb 19, 2026

Double Materiality Assessment: A Step-by-Step Walkthrough

CSRD requires companies to assess both financial and impact materiality. This walkthrough explains the process.

Read — 10 min
Supplier data collection workflow connecting companies to carbon inventory
Technical Mar 19, 2026

Getting Supplier Data for Scope 3: Practical Strategies

Collecting Scope 3 Category 1 and Category 4 data from suppliers is the hardest step in most inventories.

Read — 8 min
2026 carbon regulation landscape showing CSRD SEC TCFD and IFRS S2 frameworks
Strategy Apr 17, 2026

Carbon Accounting in 2026: Regulatory Shifts and What to Prepare For

CSRD enforcement has started for large EU entities. SEC climate disclosure rules are being litigated and revised. TCFD is being absorbed into IFRS S2. Here is what the 2026 landscape means for your inventory and disclosure calendar.

Read — 7 min

New articles, once a month.

We publish one practical piece per month — regulatory updates, methodology walkthroughs, and Scope 3 data collection strategies. No marketing content.

Or email [email protected]