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More accurate Greenhouse Gas Calculation using the TopDown weight-based Approach

Title data

Kuhn, Nora ; Roppelt, Dominik ; Dreier, Thomas ; Rosemann, Bernd:
More accurate Greenhouse Gas Calculation using the TopDown weight-based Approach.
DFGE – Institute for Energy, Ecology and Economy GmbH
Bayreuth , 2024 . - 19 S. - (Online-Schriftenreihe der DFGE )

Official URL: Volltext

Abstract in another language

This study addresses the challenge of accurately assessing greenhouse gas emissions in the corporate value chain, particularly focusing on upstream sources. While spend-based calculations are commonly used, they may lack in precision. To enhance accuracy and feasibility, a newly proposed weight-based top-down approach is investigated and compared to traditional spend-based standards. The study applies this new approach to a corporate carbon footprint analysis of chemical goods, comparing 8,500 products across 200 sub-categories and seven main purchasing categories. The study revealed an 11% overestimation by the spend-based approach in a real-life case study. However, deviations within purchasing categories average 61%, potentially leading to incorrect prioritization. In order to reduce the release of anthropogenic greenhouse gases, it is necessary to pinpoint actionable areas through environmental impact assessments. The weight-based method emerges as a more reliable and accurate tool for guiding carbon emission reduction strategies.

Further data

Item Type: Working paper, discussion paper
Refereed: Yes
Keywords: Greenhouse Gas Calculation; Weight Based Approach; Top Down
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Manufacturing and Remanufacturing Technology
Profile Fields > Advanced Fields > Ecology and the Environmental Sciences
Profile Fields > Emerging Fields > Innovation and Consumer Protection
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 08 Mar 2024 10:23
Last Modified: 08 Mar 2024 10:24