11M views · 24K reactions | GRIZZLY BEAR VIDEO: Thanks to Regina Louisa for sending in this video of grizzly bear on the Hidden Lake Overlook Trail in Glacier National Park on Saturday night. | NBC Montana | Facebook

1.9K views · 43 reactions | The three largest glaciers in Greenland -- which hold enough frozen water to lift global sea levels some 1.3 metres -- could melt faster than even the worst-case warming predictions, research shows. Read more: u.afp.com/3yYT | AFP News Agency | Facebook

317K views · 4.2K reactions | Temperatures in Alaska are rising twice as fast as the rest of the world, causing water levels to rise and endangering places of natural beauty. Kevin Tibbles reports from Alaska. | NBC Nightly News with Tom Llamas | Facebook

533K views · 234 reactions | Thwaites Glacier, also known as the 'doomsday glacier', is reported to be melting quicker than previously thought - scientists are now trying to find out why. bbc.in/38NcbIu | BBC Science News | Facebook