为什么《自然》说中国植树绿化防沙治沙不对？
一周前，联合国环境署宣布，支付宝蚂蚁森林因带动5亿人参与低碳生活，并将积累的绿色能量转化为种植在荒漠化地区的1.22亿棵
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- 观点
- 2019-10-14
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