Robert Swan: Lets save the last pristine continent

2041 will be a pivotal year for our planet. That year will mark the end of a 50year agreement to keep Antarctica, the Earths last pristine continent, free of exploitation. Explorer Robert Swan the first person to walk both the North and South Poles is on a mission to ensure that we extend that treaty. With passion and vigor, he pleads with us to choose the preservation of the Antarctic for our own survival. TEDTalks is a daily video podcast of the best talks and performances from the TED Conference,