A landslide made the Earth hum for nine days. This is how climate change triggered it
The Earth hummed for nine consecutive days last year. Now, the event — which baffled scientists — has been linked to an unseen mega-tsunami in Greenland.
Moderated by Tomas Kauer 
The Earth hummed for nine consecutive days last year. Now, the event — which baffled scientists — has been linked to an unseen mega-tsunami in Greenland.
