Elite rock climber Alex Honnold of Free Solo fame leads a six-week expedition to Eastern Greenland to make a first ascent of one of the highest unclimbed rock faces in the world. But this is much more than a climbing trip. With the help of glaciologist Heidi Sevestre, Alex and the team investigate the impact of climate change on the glaciers, ice caps and fjords in this remote part of the Arctic. The series launches on Nat Geo on February 4 th and Disney+ the following day. You can watch the trailer here. Take a look at the Green Matters article to read the interview with Alex.