Delegates take part in a side event during the seventh meeting of the conference of the parties to the Stockholm Convention in Geneva, Switzerland, May 8, 2015. UN officials on Friday hailed China's achievement in the effort to reduce, abandon and control the persistent organic pollutants (POPs) in the seventh meeting of the Conference of the Parties to the Stockholm Convention, held here from May 4 to 15. (Xinhua/Xu Jinquan) |