It's Arctic Sea Ice Day! We’re counting down with key facts about Arctic sea ice from our chief climate scientist, Dr. Flavio Lehner. ❄️ Arctic Sea Ice Fact #1: Sea ice is to the Arctic ecosystem as soil is to the forest. When ocean water gets cold enough to freeze it expels its salt, causing channels to form in the ice. Algae grow within these channels and form the base of the food chain. Algae feed the tiny organisms, like zooplankton, that inhabit these waters. Arctic cod feed on them. Seals

Arctic Sea Ice Day is July 15th, and we’re counting down with key facts about Arctic sea ice from our chief climate scientist, Dr. Flavio Lehner. ❄️ Arctic Sea Ice Fact #3: Arctic sea ice is important to people living in the North, providing a platform for transportation and increased access to food. But people around the world need sea ice too. Sea ice acts like a global air conditioner, helping to cool the planet by reflecting the sun's light and heat back into space rather than absorbing it i

NASA wants you to see this video of the Arctic ice disappearing http://cnn.it/2h6amQh | CNN International