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China joined the UN convention in 1994 and promulgated the world's first law dedicated to sand prevention and control in 2001. Most nations use regulations for this purpose
China launched the second comprehensive scientific expedition to the Qinghai-Tibet Plateau in June 2017, 40 years after the first. Lasting five to 10 years, the expedition will conduct a series of studies focusing on the plateau's glaciers, biodiversity and ecological changes, and will also monitor climate changes.
China officially granted licenses for commercial use of 5G on June 6. The nation is set to become the world's largest 5G market by 2025, with 460 million 5G users, a forecast by industry group the Global System for Mobile Communications Association said.
China was the first country to ground the aircraft and the United States the most recent.
China lodged "solemn representations" with the US, Geng said.
