Forest fires can melt glaciers thousands of miles away by changing the colour of the ice – all thanks to a heavy little particle called black carbon.

This strange story of smoke, dust and algae looks at the lesser-known half of a positive feedback loop: not only does climate change make fires bigger and badder, those fires are then fuelling climate change.

Release via Greenpeace Unearthed https://www.youtube.com/watch?v=OgDBvQcJZyE

Video written, produced and narrated by Georgie Johnson
Animated and edited by Sian Butcher
Music and sound design by JPML.agency
Script edited by Emma Howard
Featuring Jessica McCarty and Alun Hubbard
Footage from Greenpeace, Getty, NASA
Special thanks to Greenpeace Global Mapping Hub, Dr Reyes Tirado, Ice Alive and NASA Scientific Visualisation Studio