Meeting the Paris Agreement’s ambitious goal – to hold “the increase in the global average temperature to well below 2 °C above pre-industrial levels and to pursue efforts to limit the temperature increase to 1.5 °C above pre-industrial level” – will necessitate dramatic reductions in total emissions of greenhouse gases.
Market-based approaches that follow well-established “rules of the road” for emissions accounting and transparency have a powerful role to play in helping countries to meet their near-term commitments as efficiently as possible, and in encouraging and even accelerating the broad and ambitious long-term climate action that the Paris Agreement demands.
By affirming a role for market-based approaches in Article 6, the Agreement recognizes the realities on the ground, where emission-trading systems are already at work in over 50 jurisdictions home to nearly 2 billion people. More than half of the world’s countries have so far expressed an interest in using carbon markets to meet their pledges, including for achievement of conditional targets, in their NDCs (“nationally determined contributions”) under the Paris Agreement.
But if the Paris Agreement goals are to be met, the risk of “double counting” emissions reductions must be avoided.
That is why the Paris Agreement rulebook to be finalized this December in Poland at COP 24 should clearly and unambiguously state that any country that voluntarily chooses to transfer some of its emissions reductions must transparently “add back” a corresponding amount of emissions to its own emissions account. This is known as a “corresponding adjustment,” and it should apply to all transfers: whether the transferred reductions occur inside or outside the country’s NDC; and whether the reductions are being transferred to another country or to the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA).
A corresponding adjustment has clear environmental benefits for both participating countries and our shared climate. Here are 7 of them: