BELÉM, Brazil — The European Union’s new pollution-cutting targets are insufficient, China’s climate envoy told POLITICO on the sidelines of this year’s COP30 conference while also condemning the “bad example” set by the absent United States.  In a rare interview on Monday, Liu Zhenmin rejected criticism of China’s climate efforts, which his EU counterpart Wopke Hoekstra recently described as “clearly disappointing,” and argued that developed nations including the 27-country bloc should