@CNN: RT @cnni: You may think of the Antarctic as pristine wilderness. Nope: It’s already showing the effects of human activity thousands of miles away. But it’s not too late to save it. Learn how on Expedition Antarctic with @ArwaCNN: https://t.co/fO0t3VZ009 https://t.co/FYY6tiQ499

@CNN: RT @cnni: You may think of the Antarctic as pristine wilderness. Nope: It’s already showing the effects of human activity thousands of miles away.

But it’s not too late to save it. Learn how on Expedition Antarctic with @ArwaCNN: https://t.co/fO0t3VZ009 https://t.co/FYY6tiQ499