Perfectly at home in one of the world’s most forbidding environments, most polar bears drift along the Arctic on large chunks of floating ice, finding mates and hunting for seals. Without these thick rafts of sea ice, the world’s largest bear will not survive. Yet at this moment, the polar bear’s Arctic abitat is literally melting away beneath it due to global warming. The polar bear is also under pressure from industrial development and toxic chemicals. Over-hunting and commercial trade in polar bear body parts are making these threats worse. The international community must take swift action to protect the polar bear from global warming and commercial trade. The polar bear's Arctic habitat is rapidly disappearing due to global warming. The international community must take action to protect the polar bear from global warming and other man-made threats.