Season 4 (2022)
Release date: 2022-04-21
Episodes (4):
1. Montana: Saving the Last Best Place
The pristine land of President Lincoln's favorite state is under threat like never before as developers, conservationists and cowboys battle for territory.
Release date: 2022-04-21
2. Greenland: Breaking the Ice
Global warming is dramatically altering the landscape — and the prospects — of the world's largest island.
Release date: 2022-04-21
3. Charleston: History and the Rising Tide
As surging seas and frequent floods batter America's most historic city, the fight is on to save beautiful Charleston and its storied past.
Release date: 2022-04-21
4. Hawaii: Protecting Paradise
The global shutdown gave Hawaii's fragile islands a chance to recover from the effects of surging tourism. Can a new balance be struck to protect the island?
Release date: 2022-04-21
Rest of the cast - click here to expand
Bill Weir - Self - Host