在今年世界环境日前夕,国家环保总局举行的新闻发布会上,解振华局长在会上表示,目前我国环境问题主要表现在三个方面:一、主要污染物排放量大,污染结构发生变化.二、生物多样性遭到破坏.三、生态退化趋势尚未得到遏制. On the eve of World Environment Day this year, at a press conference held by the State Environmental Protection Administration, Director Xie Zhenhua said at the meeting that at present, China’s environmental problems are mainly manifested in three aspects: First, major pollutants are discharged in large quantities and the pollution structure changes. , The biodiversity is destroyed. Third, the trend of ecological degradation has not been checked.