1. Within three months of the signature by the Union of an international agreement on climate change leading, by 2020, to mandatory reductions of greenhouse gas emissions exceeding 20 % compared to 1990 levels, as reflected in the 30 % reduction commitment as endorsed by the European Council of March 2007, the Commission shall submit a report assessing, in particular, the following elements:
(a) the nature of the measures agreed upon in the framework of the international negotiations as well as the commitments made by other developed countries to comparable emission reductions to those of the Union and the commitments made by economically more advanced developing countries to contributing adequately according to their responsibilities and respective capabilities;
(b) the implications of the international agreement on climate change, and consequently, options required at Union level, in order to move to the more ambitious 30 % reduction target in a balanced, transparent and equitable wa
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