紀(jì)錄片BBC.地平線.2020.從七十七億人口開(kāi)始在線觀看完整版-BBC.地平線.2020.從七十七億人口開(kāi)始劇情According to the UN, it is predicted that the human population could reach ten billion people by the year 2050. For broadcaster and naturalist Chris Packham, who has dedicated his life to championing the natural world, the subject of our growing population and the impact it is having on our planet is one of the most vital – and often overlooked – topics of discussion in an era ...