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Several regions saw a decrease in PM2.5 in May 2019, with that in Beijing-Tianjin-Hebei region and Yangtze River Delta down 16.7 percent and 8.6 percent year on year respectively.
The dialogue session was chaired by Klaus Schwab, founder and executive chairman of the World Economic Forum, with attendance of more than 200 global representatives of industry and commerce, finance, think tanks, media.
Participants reviewed and approved 10 guidelines, plans and work report with topics ranging from innovating and improving macro-control to energy reform and food security.
The country's ecological and environmental quality improved continuously last year, with pollutant discharge and carbon dioxide emissions being further reduced, said the communique issued by the Ministry of Ecology and Environment (MEE).
China urges the U.S. side to honor its commitment, abide by the one-China principle and the provisions of the three China-U.S. joint communiques, immediately withdraw the aforementioned arms sales to Taiwan, and stop all forms of military contact with Taiwan so as to avoid further damage to the relations between the two countries and their armed forces, he said.
来源：资阳报