Could the Northern Lights Signal a Global Catastrophe | Earth Lab

Greg witnesses the Northern Lights in Iceland, and looks into the science behind them... and whether they might be a bad sign for humanity .
Watch Maddie looking at the myths surrounding the Northern Lights on Earth Unplugged:
Want to also become one of BBC Earth's presenters? Check out how to here: and apply before July 5, 2018.
Subscribe:
All the best Earth Lab videos
Best of BBC Earth videos
The Doctors Are In The House
Best Of Earth Unplugged Videos
Check out the other two channels in the BBC Earth network:
BBC Earth:
BBC Earth Unplugged:  
Welcome to BBC Earth Lab! Here we answer all your curious questions about science in the world around you (and further afield too). If there’s a question you have that we haven’t yet answered let us know in the comments on any of our videos and it could be answered by one of our Earth Lab experts.
Want to share your views with the team behind BBC Earth and win prizes? Join our fan panel here:
This is a channel from BBC Worldwide, trading as BBC Studios, who help fund new BBC programmes.Service information and feedback: