GHG Protocol Explained: Scope 1, 2 & 3 for Practitioners

GHG Protocol scopes explained — one tonne of emissions reported by three companies logo

📅 Updated 28 July 2026 🕐 21 min read 🌍 Carbon & Climate The GHG Protocol scopes sort a company’s emissions into three tiers. Scope 1 is what you burn. Scope 2 is the energy you buy. Scope 3 is everything else your value chain does because you exist. Almost every reporting framework in use … Read more

Supply Chain ESG: How AI Changes Scope 3 Collection

Supply chain ESG — how AI changes Scope 3 supplier data collection and triage

📅 Updated July 2026 🕒 15 min read 🔗 Supply Chain ESG A sustainability manager at a mid-size construction firm described her Scope 3 data collection process as sending emails into the void. She had emailed 35 suppliers requesting emissions data. Eight replied. Three sent something usable. The other five sent PDFs ranging from a … Read more

Persefoni vs Watershed: Enterprise Carbon Compared 2026

Persefoni vs Watershed — audit-grade carbon ledger versus decarbonisation execution compared

📅 Updated July 2026 🕒 14 min read 🏷️Carbon & Climate Five years ago, every carbon platform was competing to answer the same question: what is our footprint? The differentiators were emission-factor libraries and how fast you could produce a number. Today, that question is largely solved — and the market has split in two … Read more

Watershed vs Plan A — Climate Strategy Compared

Watershed and Plan A climate strategy platforms compared side by side

📅 Updated July 2026 🕒 13 min read 🏷️ Carbon & Climate Measurement alone does not create reduction. A company can produce a perfectly accurate, fully audited emissions inventory and still not cut a single ton of carbon — the inventory tells you where the emissions are, not what to do about them. Watershed and … Read more

Scope 3 Emissions: Complete Guide for Enterprises 2026

Diagram of the 15 GHG Protocol Scope 3 emissions categories

📅 Updated July 2026 🕒 20 min read 🏷️ Scope 3 / GHG Protocol Most Scope 3 conversations start with the wrong question. Teams ask “how do we calculate this?” before they’ve settled a more basic one: which of the fifteen categories actually matter for this business, and which regulatory clock is really running against … Read more