+$Jon Hoekstra, WWF's chief scientist, had the chance to witness a polar bear released from "polar bear jail" while on a+$trip in Churchill, Canada+$. Jon captured this video live with Google Glass.
+$As the sea ice diminishes and takes longer to form due to climate change, the chance of human-bear conflict increases. But Jon says there is still hope.+$Read His Article和+$watch The Video+$to Learn Why.
+$Watch The Video