@CNN: 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/o3kNDVXdJo https://t.co/94B1MeY6Z7

@CNN: 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/o3kNDVXdJo https://t.co/94B1MeY6Z7