23. ‘whole life-cycle greenhouse gas emissions’ means the combined greenhouse gas emissions associated with the building at all stages of its life-cycle, considering the benefits from reuse and recycling at the end-of-life, from the ‘cradle’ (the extraction of the raw materials that are used in the construction of the building) over the material production and processing, and the building’s operation stage, to the ‘end-of-life’ (the deconstruction of the building and reuse, recycling, other recovery and disposal of its materials)