Help polar bears, help stop their extinction, learn how (educate yourself on their situation and donate to organizations if u can)./ Watch Polar bears and Climate Change. PBS video - http://www.pbslearningmedia.org/resource/lsps07.sci.life.eco.polarbear/polar-bears-and-climate-change/
Females den by digging into deep snow drifts, which provide protection and insulation from the Arctic elements. They give birth in winter, usually to twins. Young cubs live with their mothers for some 28 months to learn the survival skills of the far north. Females aggressively protect their young, but receive no help from their solitary male mates. In fact, male polar bears may even kill young of their species.