About 37 percent of sulfur dioxides that trigger acid rain here come from China, National Institute of Environmental Research (NIER) said on June 7
The institute said 36.8 percent of sulfur dioxides, or 7,500 tons of a total 20,400 tons accumulated in Korea in March 2002, were from manufacturing plants, automobiles and power generation facilities in China.
Some 12,600 tons or 61.5 percent of the pollutant which causes acid rain, originated from domestic sources during the one-month period, while the remaining 1.7 percent, or 300 tons, drifted from Japan.
But only 1,600 tons of sulfur dioxides, or 0.4 percent of the total accumulated in the Chinese atmosphere, came from Korea, while 9,100 tons of the pollutant in Japan is from Korea.
As people are use more petroleum and coal in urbanization and industrialization, sulfur dioxides, along with nitrogen oxides, are one of the main culprits in producing acid rain.
Acid rain occurs when such chemical substances released into the atmosphere mix with water, oxygen and other chemicals. The mixture turns to acid rain.
Acid rain causes an array of skin diseases particularly in the elderly and children, while disrupting the ecosystem and corroding buildings.
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Last modified : 2017-12-12 08:38
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