Journey to the top of the world with scientists as they embark on the most ambitious Arctic research expedition of all time. The Arctic - much of it a vast frozen ocean, shrouded in darkness for half the year - is warming at twice the rate as the rest of the globe.

Rating: TV-PG.|||adult

a Nova production by Wild Blue Media, UFA Show, Factual, and Fremantle International for GBH ; produced and directed by Ashley Morris ; senior producer, Philipp Greiss ; producers, Annabel Gillings [and three others].

Widescreen.

Title from disc surface.

Originally broadcast as a documentary television program on PBS in 2021.

Narrator: Jeannette Robinson.

DVD, widescreen, stereo.

English audio, English SDH subtitles, and described audio.