arctic polar circle

Today, Wednesday the 21st of December, is the winter solstice in the northern hemisphere. When viewed from northern latitudes, the Sun will make its lowest arc through the sky along the southern horizon. The day of the winter Solstice has the shortest length of time between sunrise and sunset and hence the fewest hours of daylight.

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Polar bears face an ironic dilemma. They are surrounded by water they cannot use; ice and snow are too cold and seawater is too salty. They produce all the water they need from the metabolism of fat. Interestingly, adult polar bears consume only fat from the seals they catch. By not consuming protein (and merely recycling their own proteins into new ones), they have no need to urinate or defecate and go for months without doing so, thus saving previous body water. 

Emaciated Female Polar Bear Raises Climate Change Alarms

In a Facebook post, wildlife photographer Kerstin Langenberger recently aired her concerns about the growing number of gaunt polar bears she’s seen in the Arctic archipelago. Her photo of an emaciated female polar bear stunningly exemplifies the perilous dietary plight facing mothers and cubs, in particular.

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PHOTO COURTESY OF FACEBOOK/KERSTIN LANGENBERGER PHOTOGRAPHY