At its largest expanse, sea ice covered less than 17 million square kilometers (6.6 million square miles) of the Antarctic…
For the first time in more than 100 years the National Geographic Society has mapped the world’s oceans, it will…
At its largest expanse, sea ice covered less than 17 million square kilometers (6.6 million square miles) of the Antarctic…
For the first time in more than 100 years the National Geographic Society has mapped the world’s oceans, it will…