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Offset credit supply potential for CORSIA

Study estimates the potential carbon offset credit supply to the CORSIA scheme

This discussion paper estimates the potential supply of carbon offset credits to meet demand from international aviation under CORSIA under a number of different scenarios which include different types of restrictions imposed on the eligibility of offset credits. The supply from the four largest offsetting programmes is considered: the Clean Development Mechanism, the Verified Carbon Standard, the Gold Standard and the Climate Action Reserve for emission reductions over the period from 2013 to 2035.
The study finds that existing projects under the four programmes could supply approximately 18 billion offset credits or more than six times the total demand anticipated for CORSIA over its intended duration. In the absence of robust eligibility restrictions, CORSIA will not result in significant emissions reductions beyond those that would occur without the scheme.

Date: November 2020

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