Welcomes the establishment, in accordance with Conference of the Parties to the United Nations Convention against Transnational Organized Crime resolution 12/4, of the open-ended intergovernmental expert group on crimes that affect the environment, whose mandate is: (a) firstly, to take stock of the application and collective implementation of the Convention in addressing such crimes; (b) secondly, to identify any gaps that may exist in the international legal framework and that could be addressed under the Convention to prevent and combat such crimes; and (c) thirdly, to consider possible responses relevant to those gaps, including the possibility, feasibility and merits of any additional protocol to the Convention, and which is also to submit a summary of the deliberations and any consensual recommendations to the Conference at its thirteenth session;