北京市长王安顺:大气污染已成现阶段重大挑战
北京市长王安顺:大气污染已成现阶段重大挑战: 由于粗放的发展模式带来的历史“欠账”,北京不利于扩散的极端天气在去年超过20%,PM2.5污染浓度超标1.5倍。这些最新统计数字表明,北京面临前所未有的大气污染的重大考验。北京市长王安顺称,治理 ...
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