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China has become the world's largest lab-grown diamond producing country with its production accounting for 90 percent of the world's total, according to a report by industry analysis website ifanr.com.

China has made vigorous efforts to advocate and practice the concept of ecological conservation. We believe that clear water and green mountains worth more than mountains of gold and silver, and a sound ecosystem is in the interests of everyone. And we have championed international cooperation on ecological conservation in the world.

China began a three-month campaign against pyramid selling on Aug 15,following the death of university graduate Li Wenxing, 23, who got involved in a pyramid scheme through an online recruitment site, and was found drowned in mid-July in north China's port city of Tianjin, sparking nationwide rage.

China has maintained good quality of the radiation environment through proper operation of its 35 running nuclear power units and 19 research reactors for civil use. The 21 nuclear power units under construction are being built according to plans.

China has expanded its solidwaste processing capacity and has issued measures to control pollution in recent years. In 2015, 65 percent, or 1.99 billion tons, of solid waste from industrial production was processed and recycled - 13 percentage points more than in 2001.