Correcting course: the emission reduction potential of international cooperative initiatives

Lui, Swithin et al.
Externe Publikationen (2020)

in: Climate Policy, 25 August 2020, 1-19

DOI: 10.1080/14693062.2020.1806021
Volltext/Document

This article quantifies the aggregate potential of greenhouse gas (GHG) emissions reductions in 2030 from the assumed full implementation of major international cooperative initiatives (ICIs). To this end, a methodology is proposed to aggregate emission reduction goals of the most significant and potentially impactful global initiatives. We identified the extent to which reductions are additional to national policies, assuming these actions do not displace climate actions elsewhere, and accounted for overlap ranges between the ICIs. The analysis was conducted for 17 initiatives, selected from an original list of over 300 with a series of testing criteria, across eight sectors and ten major emitting economies. These initiatives include cities, regions, businesses, and other subnational and non-state actors, cooperating with each other and sometimes working in partnership with national governments or other international organizations. Our analysis shows that the combined achievement of initiatives’ reduction goals could reduce global emissions in 2030 by 18–21 GtCO2e/year in addition to current national policies (total of 60–63 GtCO2e/year), down to 39–44 GtCO2e/year. If delivered fully, reductions from these 17 initiatives would help move the global emissions trajectory within the range of a 2°C-consistent emission pathway by 2030, although a significant gap would remain to reduce emissions to a 1.5°C-consistent pathway.

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