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"Climate change is driving this problem to a place where you simply can't deal with it," he said

"City authorities drafted a development plan for the LED industry early in 2008 when the coal market was still booming," he said. "When the market stagnated in 2013, the provincial authorities arranged for coal company employees to visit LED manufacturers to learn about the industry."

"Chinese companies, especially SOEs, have been helping develop infrastructure and improve connectivity within ASEAN economies. A large number of industrial parks between them have also contributed to trade and investment cooperation activities," said Zhang Jianping, director-general of the Beijing-based China Center for Regional Economic Cooperation.

"China will firmly fight back at any move that interferes in its internal affairs," the spokesperson added.

"Compulsory education should not only be free but, more importantly, free of exams," Yang said.