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At COP26 in Glasgow, parties to the Paris Agreement adopted operational rules and guidance on Article 6, paving the way for full implementation of international carbon markets under the Paris climate regime. For existing and emerging domestic ETS, Article 6 can play various roles - offering an accounting framework for cross-border linkages between ETS, providing a mechanism to credit emission reductions outside the ETS, and opening a pathway to international carbon finance in support of ETS establishment and implementation.
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In 2016, the International Civil Aviation Organization adopted the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) to limit the climate impact of international air travel and ensure carbon neutral growth from 2020. The EU has integrated aviation into its own ETS. But are these efforts enough to tackle the growth in emissions from aviation? How can market-based instruments contribute further?