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大卫·爱登堡爵士（Sir David Attenborough）深究当今世界的灭绝危机，探索造成动植物迅速灭亡的原因，揭示针对这一全球问题可能的解决方案。在仅仅40余年的时间里，动物数量已缩减了六成。现在，有百万个动植物物种濒临灭绝；若不采取紧急措施，其中更有许多将在接下来几十年的时间内消失。究其原因？爱登堡爵士展开调研。他探索这场危机背后的人为因素——包括狩猎、有毒废物、以及将土地转而用作农耕。爱登堡爵士还揭示了有望带来转机的举措。负责任的消费行为、减少肉食摄取、降低碳排放——这些行为都具有可以逆转形势的潜力。只要我们不坐视不理，就有机会让自然界的时钟倒转。。"Daughters of the Dust" tells the story of a family of African-Americans who have lived for many years on a Southern offshore island, and of how they come together one day in 1902 to celebrate their ancestors before some of them leave for the North. The film is narrated by an unborn child, and ancestors already dead also seem to be as present as the living.。