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Decades of breakneck growth left much of China's water seriously contaminated by factory waste and agricultural fertilizer. Last year was the first time the water in the 300-square km lake was clean enough to be used for agriculture since 1985, a testament to what China has achieved.

"One of the biggest challenge for Chinese manufacturers is their lack of a systematic approach to implementing such initiatives," said Arthur Wang, partner at Mckinsey & Company.

The DPRK conducted a hydrogen bomb test and a nuclear warhead explosion test on Jan. 6 and Sept. 9 of 2016, respectively.

This will include a space-ground ecological observation system and a ecological security monitoring system linked up to big data and the Internet, according to the ministry.

Hailing the dramatic progress China has achieved during the past 30-plus years, de Dardel said Switzerland embraces more innovation-driven cooperation with China, the world's second-largest economy, which is committed to deepening reform.