19K views · 461 reactions | Polar bears use the ice for hunting. But each year, the spring melt arrives earlier, making conditions more challenging. | Nature | PBS | Facebook

The melting polar ice cap opens lanes for ships -- but brings new problems to solve. | The Weather Channel

113K views · 1.4K shares | The shrinking polar ice cap has become one of the most visible signs of a changing climate, record-breaking temperatures in the first half of 2016 primed the Arctic for another summer of low sea ice cover. Join NASA Goddard scientist Walt Meier for a #FacebookLive discussion of how NASA is studying this long-term change and what these changes could mean for climate and weather around the world. | NASA Earth | Facebook

This polar bear spreads his body weight out so he doesn't fall through the ice ☺️ | In The Know