Extremely dry and hot weather in Russia has caused a sharp reduction in wheat production and spurred the fastest spike in the global price of the crop since 1973.
Reduction of sulfur emission can be achieved via strengthening the desulfurization efficiency of the refining dry gas and LPG and increasing the sulfur reclamation of the sulfur recovery unit.
通过提高干气和液态烃的脱硫效果及提高酸性气体的硫回收率来控制大气的硫污染；
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The reduction in woods areas has already led to increased flooding, water-shortages in the dry seasons and the loss of farmland.