It's getting hotter in the Arctic. Polar bears that move south will cross paths with grizzly bears. A new study suggests which species will come out on top.
Finally the weather lifted, and Operation IceBridge made a series of flights over the Antarctic Peninsula and a crucially important flight over the South Pole.
Delegates from nearly 200 countries met for two weeks in Nagoya, Japan, in late October 2010 to work out a set of targets that aim to slow biodiversity loss.