I suspect they may have used the same footage. From the
Wiki for Planet Earth:
Quote:
The sixth programme looks at the regions of the Arctic and Antarctica. The latter contains 90% of the world's ice, and stays largely deserted until the spring, when visitors arrive to harvest its waters. [...] A female polar bear and her two cubs head off across the ice to look for food. As the sun melts the ice, a glimpse of the Earth's potential future reveals a male polar bear that is unable to find a firm footing anywhere and has to resort to swimming — which it cannot do indefinitely. Its desperate need to eat brings it to a colony of walrus. Although it attacks repeatedly, the herd is successful in evading it by returning to the sea. Wounded and unable to feed, the bear will not survive. [...]
My comments about the series ending with bits about human's effect on the world might be conflating the series with
The Life of Mammals since the Wiki for PE doesn't directly mention it (and I've never seen Planet Earth: the Future).
Edited, Oct 14th 2009 10:13am by Jophiel