VOICES Ideas and Insight From Explorers
Polar expeditions to explore the ocean are not for the faint of heart. Above the water’s surface, you better be on alert for polar bears. Below, you better be game for diving 60 feet under sea ice into freezing temperatures. Watch National Geographic grantee Branwen Williams lead a team to the Canadian Arctic to do both in an effort to better understand how our oceans and the climate are changing over time.