Opinion pieces

LETI Opinion Piece - Circular Economy and Carbon in Construction (004)_Page_01.jpg

16.12.21  Circular economy & carbon in construction

Reducing whole life carbon (WLC) and upfront and operational carbon, and supporting a circular economy (CE) are recognised as key considerations for the design, construction and operation of buildings. This Opinion Piece shines a light on the interconnectedness of the two concepts of CE and reducing upfront and WLC emissions and highlights interrelated issues, synergies and challenges when trying to meet the requirements of both. This exploratory document is not intended to provide definitive solutions but rather provide a basis for discussion and development of further guidance.

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LETI Opinion Pieces_Whole life carbon - Separate or combined targets?

01.12.20  Whole life carbon - Separate or combined targets?

We need to consider carbon emissions of the whole life cycle to make sure we are designing, constructing and operating buildings that have low carbon emissions. One approach might be a whole life carbon target in kgCO2e/m2, the other would be to adopt separate, granular targets for Operational Energy and Embodied Carbon. The latter is consistent with the current LETI targets. This paper outlines both of these viewpoints. Firstly, the case for adopting separate metrics for the targets is made. The case for a combined target follows in the second section.

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