Coming into the Lima climate negotiations on December 1st, the US-China joint climate announcement, the European Union’s political agreement on its 2030 emissions reduction target, and the successful capitalization of the Green Climate Fund had all combined to create a sense of momentum and a positive mood.
But these developments had done little to resolve the sharp disagreements about which countries are responsible for taking which kinds of action on climate change, and these different perspectives on the issue of differentiation nearly derailed the final decision in Lima. As it was, the Lima decision on the Ad Hoc Working Group on the Durban Platform for Enhanced Action (ADP) was a disappointing, minimal outcome. If these conflicts over the issue of differentiation are not resolved, or at least significantly narrowed, they could threaten the prospects for agreement in Paris next December on a new, comprehensive post-2020 climate regime. Read More