Where To Stream Our World Season 2020 Episode 4

Glaciologists have described Thwaites Glacier as the "most important" glacier in the world, the "riskiest" glacier, even the "doomsday" glacier. Scientists from the UK and the US are studying the glacier's changes as part of the International Thwaites Glacier Collaboration. The team wants to discover why it is melting so quickly - science with implications for us all. But during the trip the weather closes in, playing havoc with their plans. Will the expedition succeed in unlocking the secrets...