As climate change melts ice sheets and glaciers, water is being redistributed across the globe — and could end up moving the ...

Related: Bizarre polar vortex over Antarctica delayed ozone hole opening, scientists say The Arctic polar vortex is a circle of strong, cold winds that picks up every winter over the North Pole. The ...

Melting ice is shifting Earth’s mass, causing the North Pole to drift up to 90 feet by 2100—threatening satellites, GPS accuracy, and even deep space navigation.

The couple said they wanted to push boundaries, travelling 29,000km through 14 countries across three continents during the adventure.