What's new in the latest editions of the Institution's carbon calculation tools?

The article focuses on the third editions of the "How to calculate embodied carbon" guide and The Structural Carbon Tool to be released by the Institution of Structural Engineers that provide a common set of principles and recommendations to improve the consistency and quality of embodied carbon emission calculations in structural engineering. Key changes made to the third edition include the addition of life cycle modules and of rule-of-thumb allowances for commonly unmodelled materials.