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Announcements
This paper finds that offsets will only compensate for aviation’s rapid emissions increase if there are robust criteria for the eligibility of offset credits.
In 2016, the International Civil Aviation Organization adopted a global scheme requiring airline operators to offset increases in carbon dioxide emissions from international flights above 2020 levels. This paper shows that the scheme will only compensate for the emissions increase if robust criteria for the eligibility of offset credits are adopted.
Photo: Jingying Zhao / Getty Images.
Offset supply from already implemented greenhouse gas abatement projects registered under the Clean Development Mechanism alone could exceed demand from the International Civil Aviation Organization’s scheme. Most of these projects continue abatement even if they cannot sell offset credits. If the scheme allows airline operators the unlimited use of offset credits from already implemented projects, it will result in no notable emissions reductions beyond those that would occur anyway and neither offer incentives for new investments nor reward previous investments in offset projects.
This paper recommends limiting the eligibility to new projects or projects that are at risk of discontinuing greenhouse gas abatement without further support. The findings are critical for negotiations under both the International Civil Aviation Organization and the Paris Agreement.
Journal article / This paper proposes limits that could prevent the transfer of "hot air" from countries whose mitigation targets exceed their likely emissions.
Other publication / This paper assesses four possible approaches to account for the linking of ETSs under the Paris Agreement.
Feature / Policy-makers could avoid some of the potential pitfalls of linking carbon markets by using quotas and discount rates, according to a study from SEI researchers
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