简介：BBC气象员彼得?吉布斯冲动地回到了他曾经生活和工作过的英国南极调查局哈雷研究站。当时，哈雷研究站在臭氧空洞的发现中起到了重要作用，而今天，它仍然在诸多领域作出了许多重要的发现，例如：人类生活如何受到太阳活动的影响、星际旅行研究、以及人类导致的气候变化所产生的威胁等。彼得此行还肩负着救援的使命，由于冰山移动，哈雷研究站可能会随着巨大的冰山飘向远方。

简介：The car has shrunk the world, increased personal freedom and in so many ways expanded our horizons, but there is a flipside. Fumes from car exhausts have helped to destroy our environment, poisoned the air we breathe and killed us in far more straightforward ways. But all that is going to change.　　This episode enters a world where cars can drive themselves, a world where we are ...