Isometric and Verra Roll Out New Standards for Low‑Carbon Steel, Cement and Aviation Fuel Credits

Carbon credit registries are moving beyond offsets to tackle emissions hidden in supply chains. Isometric and Verra, two of the biggest players, are creating standards that let buyers claim the climate benefits of low‑carbon materials and fuels without needing to trace each tonne to a specific source.

Isometric announced it will create a standard that allows suppliers of low‑carbon steel and cement to issue environmental attribute credits, sometimes called insets.

Verra said it will release its Scope 3 Units standard in the third quarter of this year.

The Sustainable Aviation Buyers Alliance, which runs a book‑and‑claim scheme for sustainable aviation fuel, has aggregated about $200 million in SAF purchases since its launch in 2021.

These standards give companies a simpler way to address Scope 3 emissions, which often arise from purchased goods and services they do not directly control. By converting low‑carbon purchases into tradable credits, firms can meet climate targets without redesigning logistics or waiting for suppliers to decarbonize fully.

The aviation example shows how book‑and‑claim already moves hundreds of millions of dollars toward cleaner fuel, suggesting similar volumes could follow for steel and cement.

Watch for the first issuances of Isometric’s credits later this year and Verra’s Scope 3 Units launch in Q3 to see how quickly markets adopt the new instruments.