Harmonizing corporate carbon footprints

Lena Klaaßen () and Christian Stoll ()
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Lena Klaaßen: TUM School of Management, Technical University of Munich
Christian Stoll: MIT Center for Energy and Environmental Policy Research, Massachusetts Institute of Technology

Nature Communications, 2021, vol. 12, issue 1, 1-13

Abstract: Abstract Global greenhouse gas emissions need to reach net-zero around mid-century to limit global warming to 1.5 °C. This decarbonization challenge has, inter alia, increased the political and societal pressure on companies to disclose their carbon footprints. As a response, numerous companies announced roadmaps to become carbon neutral or even negative. The first step on the journey towards carbon neutrality, however, is to quantify corporate emissions accurately. Current carbon accounting and reporting practices remain unsystematic and not comparable, particularly for emissions along the value chain (so-called scope 3). Here we present a framework to harmonize scope 3 emissions by accounting for reporting inconsistency, boundary incompleteness, and activity exclusion. In a case study of the tech sector, we find that corporate reports omit half of the total emissions. The framework we present may help companies, investors, and policy makers to identify and close the gaps in corporate carbon footprints.

Date: 2021
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Citations: View citations in EconPapers (17)

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DOI: 10.1038/s41467-021-26349-x

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