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Crunch Issues in Paris

[Dan Bodansky is the Foundation Professor of Law and Faculty Co-Director of the Center for Law and Global Affairs at the Sandra Day O’Connor College of Law at Arizona State University. He is in Paris for the climate change negotiations. This is the third in a series of updates both from the U.S. and from Paris. Professor Bodansky has consulted for the government of Switzerland and the Center for Climate and Energy Solutions (C2ES) in relation to the Paris Summit. However, he is writing in his personal capacity and the views expressed do not necessarily represent those of the Swiss government or C2ES.] In an earlier post, I expressed cautious optimism that the Paris conference will succeed in adopting a legal agreement that requires countries to formulate and submit emission reduction plans, provides for international transparency and review, and establishes a process for countries to periodically ratchet up their efforts. But although the broad outlines of the agreement have been apparent for several years, a number of important issues remain to be resolved, on which the conference could still founder. Here’s a brief summary of the “crunch” issues: • How to reflect the principle of common but differentiated responsibilities and respective capabilities (CBDR-RC)? The issue of differentiation has been one of the most controversial since the inception of the UN climate change regime, and plays out across all of the different elements of the Paris agreement: mitigation, adaptation, finance, and transparency. It’s clear that the Paris agreement will move away from the rigid differentiation between Annex I and non-Annex I countries found in the Kyoto Protocol, towards a more global approach. But will any vestige of the Annex I/non-Annex I dichotomy remain? Developed countries mostly argue that the concept of nationally determined contributions (NDCs) implies self-differentiation and that this self-differentiation is sufficient. But many developing countries would like some continuation of the categorical, annex-based approach found in the UNFCCC and the Kyoto Protocol. The 2014 US-China joint announcement added the phrase “in light of different national circumstances” to the principle of CBDR-RC, apparently to give it a more dynamic quality. This formulation was included in the Lima Call for Action (.pdf), and will almost certainly find its way into the Paris Agreement. But a general reference to CBDR-RC will likely not be enough to satisfy developing countries, so expect to see some additional language on differentiation in particular articles, for example, those on mitigation and transparency. I don’t see the US and other developed countries accepting a reference in the Paris agreement to the UNFCCC annexes, which they view as outmoded, but my guess is that negotiators will find some language to bridge the gap – for example, in the context of mitigation, a principle of progression, which provides that countries that have previously pledged absolute economy-wide targets should continue to do so and that all countries should aim to do so over time. This formulation, in effect, differentiates between Annex I countries (which all pledged absolute, economy wide emissions targets in Copenhagen) and non-Annex I countries, without any explicit reference to the annexes, and thus might be acceptable to both sides. • Whether to include a long-term decarbonization goal? In Copenhagen, states agreed to a goal of limiting climate change to no more than 2° C. There is considerable – but not universal – support for supplementing this goal with a long-term decarbonization goal, like that included in the G-8 Leaders Statement last June, to provide a signal to business and investors. Many countries would like to include a decarbonization goal in the Paris agreement itself, but if consensus cannot be reached to do so, a possible fallback would be to include the goal in the Conference of the Parties (COP) decision that adopts the Paris agreement, which would give the goal a slightly lesser political status. • Whether to include a commitment that parties implement their nationally determined contributions (NDCs)? A central issue in the negotiations has been what commitments to include with respect to NDCs. There is broad agreement to include procedural commitments – for example, to formulate, submit, and periodically update NDCs. And even countries that seek to make NDCs legally binding seem to accept that the agreement will not commit countries to achieve their NDCs (thus distinguishing the Paris agreement from the Kyoto Protocol). But the European Union and some developing countries wish to include a commitment relating to implementation of NDCs. A duty to implement, as compared to a duty to achieve, is an obligation of conduct rather than result. But if the Paris agreement contained a straightforward obligation on parties to implement their NDCs, then the difference between the two approaches appears small, since, arguably, the test of whether a state has implemented its NDC is whether it has achieved its NDC. This has led to a search for softer formulations of the commitment to implement: for example, a commitment to adopt measures “aimed” or “intended” to implement a country’s NDC, or a commitment to adopt implementing measures “related to” a country’s NDC. The trick is to find some formulation that