BRUSSELS Partial view of the Hangar Convention and Exhibition Centre of the COP30, the United Nations Climate Change Conference in Belem, Para State, Brazil. EU environment ministers will Tuesday make a last-ditch attempt to reassert the bloc's climate ambitions by nailing down key emissions targets in the run-up to the U.N.'s climate summit in Brazil. "To come empty-handed to Belem," where the COP30 talks are taking place from Nov. 10 to 21, "would really undermine the EU's credibility,"