污染物

导读:雾霾已经成为困扰中国大多数城市的严重问题。清华大学研究人员通过实验，发现了雾霾形成物硫酸盐的独特形成模式。Scientists said Wednesday they have solved the perplexing puzzle of how a major smog component, known as sulf

Ozone overtakes PM2.5 as the top pollutant in Beijing臭氧超过PM2.5成为北京第一大污染物Warm days come with a downside, as masks cant stop pollutant at ground level in Beijing温暖日子也有一个不好的地方，那就是口罩已经挡不

周一浙江温州瞿溪河1公里长的支流因附近工厂乳剂泄漏，河水变白。乳剂并没有毒，但是环保专家说乳剂的排放毁坏了河水。瓯海区环保局主任戴东鹏说，已确定污染物为天然乳胶，相关厂家已被暂时关闭以便进一步调查。A 1-kilometer stretch o