Sir david attenborough revisits his award winning shows, shares anecdotes from an astonishing career spanning 60 years, returns to the borneo jungle as he tracks a lifetime of developments in filming technology and scientific discovery and explores the ever growing plight of the natural environment'. '.strtoupper('t')hrough such acclaimed series as life on earth, the private life of plants, life in cold blood and frozen planet, sir david attenborough has been at the forefront of natural history film making for over half a century, witnessing an unparalleled period of change in our planet's history'. '.strtoupper('r')unning time 175 minutes region region 2 release date 3 dec'. '.strtoupper('2')012