BBC.地平线.2020.从七十七亿人口开始 

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快车资源网 提供本资源 <>According to the UN, it is redicted that the human oulation could reach ten billion eole by the year 2050. For broadcaster and naturalist Chris Packham, who has dedicated his life to chamioning the natural world, the subject of our growing oulation and the imact it is having on our lanet is one of the most vital – and often overlooked – toics of discussion in an era ...