Net zero (whole life) carbon
Improving Consistency in Whole Life Carbon Assessment and Reporting, Carbon Definitions for the Built Environment, Buildings and Infrastructure, Version ‘A’, May 2021, published by WLCN, LETI and RIBA, defines a net zero (whole life) carbon asset as : ‘…one where the sum total of all asset related GHG emissions, both operational and embodied, over an asset’s life cycle (Modules A1-A5, B1-B7 (plus B8 and B9 for Infrastructure only), C1-C4) are minimized, meet local carbon, energy and water targets, and with residual ‘offsets’, equals zero.’
NB Life cycle modules are defined in BS EN 15978 and PAS 2080 for infrastructure.
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