《BBC.地平線.2020.從七十七億人口開始HD》劇情介紹：
AccordingtotheUN,itispredictedthatthehumanpopulationcouldreachtenbillionpeoplebytheyear2050.ForbroadcasterandnaturalistChrisPackham,whohasdedicatedhislifetochampioningthenaturalworld,thesubjectofourgrowingpopulationandtheimpactitishavingonourplanetisoneofthemostvital–andoftenoverlooked–topicsofdiscussioninanera...
